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For Oracle User DB2Guide V2
Nov 21, 2014
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IBM Corporation
Unit01 : DB2 Client Cli t DB2 Unit02 :
Unit03 : DB2 DB2 DB2 DB2 Unit04 U it04 : Command Line DB2
Unit05 : DB2 DB2 DB2
IBM Corporation
Unit06 :
DB2 Unit07:
DB2 Unit08 : ,
DB2 9.5 PL/SQL Unit09 : Security Role DB2 SQLPL
IBM Corporation
Unit10 : Export / Import/LOAD DB2 Export / IMPORT / LOAD
Unit11 : DB2 DB2 DB2 Unit12 : Trace DB2 DB2 DB2 DB2 DB2 db2pd
IBM Corporation
IBM Corporation
Point
DB2
.
Platform
.
Oracle Enterprise Edition 11g Windows, Linux, AIX, HP-UX, HP Compaq, Solaris, Tru64 CPU RAM CPU .
DB2 Enterprise Server Edition V9.7 (ESE) Windows, Linux, AIX, HP-UX, Solaris, Linux/390 CPU . ,
, Automatic Workload Management
.
High Availability Workload Management Table Partitioning Feature .
Standard Edition(SE) / Standard Edition One(SE1) 11g a da d d o O ( ) g Windows, Linux, AIX, HP-UX, HP Compaq, Solaris, Tru64 CPU RAM DataSize SE SE1 SE SE1 Oracle RAC 4 CPU 2 CPU . . . 500GB . .
DB2 Workgroup Server Edition V9.7 (WSE) Windows, Linux, AIX, HP-UX, Solaris, Linux/390
4 CPU
16GB
.
. High Availability .
Oracle Express Edition(XE) 11g Windows, Linux CPU RAM DataSize
DB2 Express Edition / DB2 Express-C V9.7 (EXP) Windows, Linux
1 CPU
1GB
.
2 CPU
4GB
.
4GB / /
. CPU . , DB2 Express-C PL/SQL / /
. DB2 Express Edition . . .
64 . PL/SQL JAVA Native Compilation Application .
6
DB2
DB2PointDB2 Express Edition, Workgroup Server Edition, Enterprise Server Edition . .
DB2 Express-C
DB2 Express (EXP)
Workgroup Server Edition (WSE) Linux, Windows AIX Linux Windows, AIX, HP-UX, Solaris 16GB 32/64bit 4CPU
Enterprise Server Edition (ESE) Linux, Windows AIX Linux Windows, AIX, HP-UX, Solaris
Linux, Windows
Linux, Windows
4GB 32/64 bit 32/64bit 2CPU
4GB 32/64bit 2CPU
32/64bit
CPU DB Size
DB2 ExpressC ,
.
.
. http://www.ibm.com/db2/express DB2 Express p // / / / / / http://www-306.ibm.com/software/data/db2/9/download.html
AS/400
S/390
DB2
DB2
.
DB2 iSeries DB2 zSeries
i5 OS zOS .
.
7
DB2
DB2 9.1PointDB2 , . , .
Express-C FTL Table Partitioning g Database Partitioning Connection Concentrator Governor Query Patroller Performance Expert MQT MDC Query Parallelism Compression: Row Level Compression : Backup Label Based Access Control Performance Expert
Express
WSE
ESE
Database Partitioning Feature Workload Management Feature for Express Workload Management Feature for Workgroup Performance Optimization Feature for Enterprise
Performance Expert
Performance Expert
Performance Optimization Feature for Express
Performance Optimization Feature for Workgroup
Storage Optimization Feature Advanced Access Control Feature Geodetic Data G d ti D t Management Feature
Geodetic Extender High Availability Disaster Recovery Online Reorganization Tivoli System Automation (TSA) PureXML Storage Homogeneous Replication Heterogeneous and Q Replication Homogeneous Federation Heterogeneous Federation WebSphere Replication Server PureXML Feature for Express PureXML Feature for Workgroup
High Availability Feature for Express
High Availability Feature for Workgroup
PureXML Feature for Enterprise
IBM Homogeneous Federation Feature for DB2 database WebSphere Federation Server
8
DB2
DB2 9.5PointDB2 , . , .
Express-C FTL g Q Homogenous SQL Replication Homogenous Q Replication High Availability Disaster Recovery Tivoli System Automation Online Reorg Advanced Copy Services MQT MDC Query Parallelism Connect Concentrator Table Partitioning Governor Homogenous Federation Database Partitioning Compression : Row Level Compression : Backup Label Based Access Control Geodetic Extender Query Patroller Workload Management Performance Expert PureXML Storage Net Search Extender Spatial Extender PureScale Data Sharing 1) Performance Expert
Express
WSE
ESE
Homogeneous Replication Feature for ESE
High A il bilit Hi h Availability Feature
Storage Optimization Feature
Advanced Access Control Feature Geodetic Data Management Feature
Performance Expert
Performance Expert
Performance Optimization Feature
DB2 PureScale Feature . DPF IBM Base
Data Partitioning Feature(DPF) DB2 Warehouse Edition Version 9.5 Warehouse Edition Feature for DB2 Version 9.5 .
9
DB2
DB2 9.7PointDB2 , . , .
Express-C FTL g Q Homogenous SQL Replication Homogenous Q Replication High Availability Disaster Recovery Tivoli System Automation Online Reorg Advanced Copy Services MQT MDC Query Parallelism Connect Concentrator Table Partitioning Governor Homogenous Federation Database Partitioning Compression : Row Level Compression : Backup Label Based Access Control Geodetic Extender Query Patroller Workload Management Performance Expert PureXML Storage Net Search Extender Spatial Extender PureScale Data Sharing 1) Performance Expert
Express
WSE
ESE
Homogeneous Replication Feature for ESE
High A il bilit Hi h Availability Feature
Storage Optimization Feature
Advanced Access Control Feature Geodetic Data Management Feature
Performance Expert
Performance Expert
Performance Optimization Feature
DB2 PureScale Feature . DPF IBM Base
Data Partitioning Feature(DPF) DB2 Warehouse Edition Version 9.5 Warehouse Edition Feature for DB2 Version 9.5 .
10
DB2
Point
DB2
DBMS
.
.
.
11g
IBM DB2 V9.X
Oracle RAC
HADR Enterprise Server Edition Workgroup Server Edition(DB2 9.5 ) .
.
DB Server
Oracle Partitioning
Data Partitioning DB2 Enterprise Server .
DB2 .
.
Data Guard
HADR . WebSphere Replication Server ( DBMS )
Server
.
.
IBM WebSphere Replication DBMS
Oracle RAC
Feature
Nothing
Shared Disk
DB2
Shared
.
Oracle Fine-Grained Auditing
DB2 Audit Utility
Audit
Business
.
Oracle Label Security
Label Based Access Control
Row Level
.
Enterprise Manager
DBMS
.
Oracle Diagnostic Pack
DB2 Engine
DB2
Oracle Diagnostic Pack
.
Oracle Tuning Pack (Diagnostic Pack
)
DB2 Engine
DB2
Oracle Tuning Pack
.
11
DB2
Point
DB2
.
.
JDBC, ODBC, API
11g
IBM DB2 V9 X V9.X DB2 IBM Data Server Runtime Client v9.7 IBM Data Server Client v9.X DB2 Client . Runtime DB2 Runtime Client RunTime Client
Client 11g
Client DB2 . Client Administrator, Custom DB2 Client . DB2 Client , ,
.
,
Transparent Gateway
DB2 Connect Enterprise Edition DB2 Connect Personal Edition
Mainframe
DB2
Client
.
11g Oracle Enterprise Manager Oracle SQL Plus Worksheet iSQL Oracle SQL Plus Oracle Net Config Assistant Oracle SQL Analyze ADDM (Automatic Database Diagnostic Monitor) Oracle SQL Developer )
IBM DB2 V9.X DB2 Control Center GUI SQL . SQL
DB2
. SQL . Access Plan . .
DB2
(CLP)
OS
.
DB2 Configuration Assistant DB2 Visual Explain db2exfmt, db2expln DB2 Data Server Developer Tool .
Stored procedure .
User Defined Function
12
DB2
DB2PointUnix/Linux/Windows DB2 . DB2 .
DB2 Client
Runtime Client
DB2 UDB
.
IBM Data Server Driver for JDBC and SQLJ
IBM Data Server Driver for JDBC and SQLJ JAVA SQL
Java
SQLJ
JDBC
JAVA .
(UDF)
.
IBM Data Server D t S Driver for ODBC and CLI
Data Server Driver for ODBC and CLI Data Server Client Data Server Runtime Client . tar . .
. CLI ODBC API
CLI API
IBM Data Server Driver Package
IBM Data Server Package Data Server Runtime Client CLI, .NET, OLE DB, PHP, Ruby, JDBC SQLJ
Data Server Client
ODBC,
.
ODBC, JDBC IBM Data Server Runtime Client DB2 V9 DB2 Runtime Client Runtime Client DB2 Run Time Client Lite DB2 V9.1 9.5 IBM Data Server Runtime Client
.
.
Run-Time Client IBM Data Server Client
, ,
GUI ,
. DB2 Administration Client V9.5 IBM Data Server Client
ESQL
DB2 V9
DB2 Application Development Client DB2 Client
DB2 V9 .
DB2 Connect
OS/390, AS/400
.
DB2 Connect Personal Edition DB2 Connect Enterprise Edition
Linux
Windows
.
Windows, AIX, HP UX Sola is Lin Windo s AIX HP-UX, Solaris, Linux, Linux/390 Lin /390 .
http://www-306.ibm.com/software/data/db2/9/download.html
DB2 Client
.
13
DB2
Point
IBM Optim
.
,
Optim IBM Optim Development Studio Optim Development Studio SQL XQuery Java SQL pureQuery IBM DB2 Data Server , , pureQuery
.
(Java
SQL)
Informix Dynamic Server
Optim pureQuery Runtime Java Optim pureQuery Runtime Optim PureQuery Runtime Java Java API pureQuery SQL . SQL
. .Java . . .
.NET NET
Linux, Linux UNIX
Windows .NET
Optim pureQuery Runtime ,
C#
VB.NET VB NET
.NET NET
.
Optim Database Administrator Optim Query Tuner
)
.
( :
,
,
,
DB2
Optim Query Tuner ,
.
InfoSphere Data Architect
Rational Data Architect , . , DDL
. . ( :SQL ) Optim Database Administrator ,
.
Perspective
,
. . ,
Data Studio
SQL SQL Visual Explain
Xquery SQL
SQL
,
14
DB2
DB2PointDB2 . , , z/OS .
DB2 Tools DB2 Web Query Tool , SQL , DB2 . SQL . . SQL . PDA, . , WAP DB2 ,
XML , DBA
. Windows, UNIX
Linux .
.
DB2 Recovery Expert
. ,
. . . (Point-in-Time)
DB2 High Performance Unload
, IBM DB2
. . . . .
IBM DBA DB2 Performance Expert Linux/Unix/Windows , (
, DB2 , )
SQL . . .
.
. DB2 Connect DB2 Encryption Expert .
DB2 B ffe pool Bufferpool
Management Expert
.
Change
15
DB2
3rd PartyPoint3rd Party DB2 .
DB2 Tools Orange for DB2 (WareValley) XpertMon for DB2 LUW (ITEG)
. DBA .
MaxGauge for DB2 (EXEM)
DB2
.
,
,
Toad for IBM DB2 (QUEST)
DB2 UDB
.
.
DB2
Quest Central for DB2 (QUEST)
SQL
,
,
,
z/OS
DB2
.
Spotlight on DB2 (QUEST)
Spotlight on DB2 UDB z/OS
.
,
DB2
Knowledge Xpert for DB2 (QUEST)
z/OS
,
DB2 UDB
.
DataFactory (QUEST)
,
.
Foglight Catridge for DB2/UDB (QUEST)
, DB2/UDB 24
, .
.
End User Management (QUEST)
.
16
DB2
Q/ADB2 Workgroup Server Edition k d RAC DB2 9.5 System FailOver l . . HADR DB2 . HADR Shipping .
Workgroup Server Edition HADR . Shared Disk dataguard .
DB2 . DB2 bulk load
? Compression Dictionary . bulk load DB2 insert, import, . .
DB2 Enterprise Server Edition DPF DPF DB2 9.5
DPF(Database Partitioning Feature) . ,
? .
IBM Base Warehouse Feature
.
DB2 DB2 . .
?
?
Oracle Enterprise Manager Diagnostic Pack
Oracle Label Security DB2 Label Based Access Control . DB2
DB2 . .
? Label Security .
IBM Corporation
IBM Corporation
Point
,
,
.
SGA Data Buffer Cache keep default (db_block_size) (db_cache_size) PGA sort_area_size t i hash_area_size bitmap_merge_area_size create_bitmap_area_size ASM PMON db_16k_cache_size db 16k cache size Large Pool ( ) SNPn SMON db_32k_cache_size db 32k cache size Java Pool ( ) ARCn DBWR CKPT LGWR Redo Log Buffers recycle db_2k_cache_size db_8k_cache_size Shared Pool Library Cache Dictionary Cache
MMON CKPT
MMAN Others
Parameter file Password file
Datafiles
Control files
Redo Log files
Archived log file
. System Global Area(SGA) 7 . OS Level nomount . . . .
2
DB2
DB2 9.7PointDB2 . , (DB2 9.5 ), DB2 DB2
DB2 Application App. Global Memory ( appl_memory) pp y) Application heap (applheapsz) Statistics heap (stat_heap_sz) Statement heap (stmtheap) Monitor Heap p (mon_heap_sz) db2ipccm (EDU) db2tcpcm (EDU)
DB2 Audit Buffer (audit_bug_sz) FCM Buffs(DPF) ( ) (fcm_num_buffers)
db2sysc (EDU) db2syslog ( (EDU) )
db2wdog (EDU) db2fmtlg (EDU)
db2resyn (EDU) db2thcln ( (EDU) ) others
db2agent
Agent Private Memory Agent stack ( agent_stack_sz) Sorting( sheapthres) Sort heap(sortheap) Java Heap(java_heap_sz) Client I/O block (rqrioblk) App. Shared Memory App.support layer heap (aslheapsz) Client I/O block (rqrioblk) db2loggr (EDU) db2loggw (EDU)
DB2 database_global_memory( database_memory) Database Heap (dbheap) Log Buffer (logbuffsz) (catalog_cache_sz) Utility Heap (util_heap_sz) Backup Buffer Package Cache (pckcachesz) Lock List ( locklist) Sorting (sheapthres_shr) Sort heap (sortheap)
db2pclnr (EDU)
db2dlock (EDU)
db2pfch (EDU)
others
DB2 . DB2 DB2 DB2 UDB ( DB2 DB2 DB2 , . DB2 Activate " . . Monitor Heap, Audit Buffer, FCM Buffer . ) EDU(Engine Dispatchable Unit) EDU
context .
.
.
3
DB2
Point
.
.
ASM
SNPn
ARCn
CKPT
MMOM
MMAN
PMON
SMON
DBWR
LGWR
CKPT
others others Others..
SQL (SQL LGWR DBWR * PMON SMON . Log Writer SGA ) SQL Parse, Execute, Fetch Redo Log File . .
. .
Redo Log Buffer Dirty Buffer Data File
Database Buffer
.
.
N/A
CKPT RECO ARCH *
. . Redo Log File Archiving 10 RAC Mode Flashback Storage 10 . . . Redo Log Archive Mode
.
SNPn * LCKn * RVWR ASM
(SNP0 ~ SNP10) (LCK0 ~ LCK10)
Table Snapshot Lock .
.
4
DB2
Point
DB2
.
Database Activate
. Level
Connection Client Program F I R E W A L L db2tcpcm (EDU) SAMPLE1 db2loggr (EDU) db2dlock (EDU) db2loggw (EDU) db2pfch (EDU) db2pclnr (EDU) others
db2agent (EDU) db2agntp db2agntp
db2ipccm (EDU)
Client Program
db2agent db2sysc (EDU) db2wog (EDU) SAMPLE2 db2agntp db2agntp db2loggr db2dlock db2loggw db2pclnr others
Agent pool
db2pfch
Level Db2sysc (System controller) Db2wdog (Watchdog) Db2resyn (Re-sync agent) db2fcms,db2fcmr (FCM daemon) Db2thcln (Thread Cleaner) Db2fmtlg Db2f tl (DB2 f format l ) t log) FCM(Fast Communication Manager) EDU(Engine Dispatchable Unit .) USEREXIT "OFF" OFF DBMS DB2 . Unix . Daemon Thread log . . ) Linux . DBMS
.
. (Unix LOGRETAIN . )
"ON" ON
db2ipccm, db2tcpcm ( Db2fmp (Fenced process) Db2loggr (Log Reader) gg ( g ) Db2loggw (Log Writer) Db2dlock (Deadlock detection) Db2pfchr (Pre-fetcher) db2pclnr(Page cleaner) db2stmm( Self turning memory) db2agent
dbtcpcm
.
db2ipccm User Define Function . . .
Stored Procedure
. . . . .
5
DB2
Point
DB2
.
.
Oracle PMON SMON ARCx Server DBWx CKPT LGWR . Server Process User Process User Process Server Process Softmax
DB2 db2wdog db2loggr . db2fmtlg db2cart
db2agent db2pclnr soft checkpoint Dirty page db2pclnr .
db2loggw db2dlock db2pfchr Db2ipccm (DB2 Communication Manager) Db2tcpcm (DB2 TCP Manager) Db2agent (DB2 Coordinating agent)
DB2 , DB2 DB2 DB2
IBM Ted Codd , , . .
.
. . : http://publib.boulder.ibm.com/infocenter/db2luw/v9r5/index.jsp
6
DB2
Point
SGA
PGA
.
SGA PGA sort_area_size hash_area_size bitmap_merge_area_size create_bitmap_area_size db_16k_cache_size db_32k_cache_size Redo Log Buffers Large Pool ( ) Java Pool ( ) keep Data Buffer Cache recycle db_2k_cache_size db_8k_cache_size db 8k cache size Shared Pool Library Cache
default (db_block_size) (db_cache_size) (db cache size)
Dictionary Cache
Oracle SGA SGA_MAX_SIZE I/O DB_BLOCK_SIZE Block . . . SQL PL/SQL Meta Data . . Backup, Restore, LOAD . Java . PGA : : run-time . . PGA . Parsing g . . . . . . .
Buffer Cache
block
Shared Pool
Library Cache Dictionary Cache SHARED_POOL_SIZE Library Cache : Dictionary Cache : Block LOG_BUFFER SGA LARGE_POOL_SIZE SGA JAVA_POOL_SIZE PGA
Redo Log Buffer
Large Pool
Java Pool J P l
PGA
. Private SQL Session
7
DB2
Point
DB2
.
,
,
,
,
global
, Agent Private .
,
Monitor Heap (mon_heap_sz)
Audit Buffer (audit_bug_sz)
FCM Buffs(fcm_num_buffers)
.
Sample1 ( database_memory) BufferPool ff l ( buffpage) Database Heap (dbheap) Log Buffer (logbuffsz) Package Cache (pckcachesz) Catalog Cache (catalog_cache_sz) Utility Heap (util_heap_sz) Sorting g (sheapthres_shr) Sort heap (sortheap) Lock List ( locklist)
Sample2 ( database_memory)
Sample1
.
Global ( appl_memory) Application heap (applheapsz) Statistics heap (stat_heap_sz) Statement heap (stmtheap)
Agent Private Agent stack (agent_stack_sz) Java Heap (java_heap_sz) Sorting (sheapthres) Sort heap (sortheap) App.support layer heap (aslheapsz) Client I/O block (rqrioblk)
Client I/O Block(rqrioblk)
instance_memory
. . Default Automatic .
. Automatic . DB2
/
,
. , SQL Q
. . . . . . .
Global
Database Agent stmtheap, stat_heap_sz, applheapsz . ahhpleahsz : DB stat_heap_sz : RUNSTATS stmtheap : SQL Xquery Database Agent
Agent Private
8
DB2
Point
DB2
.
.
Oracle
DB2 Database Manager Database Shared Memory
SGA
.
I/O . : Default Buffer Cache BufferPool DB2 : init.ora
Block
Keep, Recycle . . . .
.
CREATE BUFFERPOOL ~ .
.
Redo Log Buffer
Log Buffer
.
Block
Library Cache
Package Cache Meta Data Catalog
. Data Dictionary
Dictionary Cache
Catalog Cache
, DB2
.
Application Heap PGA Agent Private Memory DB2 :
. : . Application Heap .
Large Pool
Utilities Heap Lock List
Backup, Restore, LOAD Lock .
.
9
DB2
Point
Optimal Flexible Architecture(OFA)
.
/u01/app/oracle /product/11.1.0/db_1 /bin /dbs /lib /network /admin
ORACLE_BASE ORACLE_HOME
Spfile.ora
Default Init.ora
Shared Library Path
Tnsnames.ora
listener.ora
/admin / /adump /pfile /scripts / i t Audit File
/diag /oradata / /controlfile /datafile /onlinelog / li l control.ctl data.dbf redo.log d l
** ASM
.(
11.1.0
.)
10
DB2
Point
root Default
.
DB2
DB2
, OS
.
Windows AIX DB2 V9.7
.
< Windows > Program FilesIBMsqllib bin < Windows XP DB2 Windows 2003 > /sqllib /bin db2dump < Windows Vista > DB2 db2diag.log DB2 Default /opt/IBM/db2/V9.7
< Unix > DB2 Default
/$DB2_HOME
C:Documents and SettingsAll UsersApplication DataIBMDB2DB2COPY1DB2
DB2
/sqldbdir /db2dump DB2 db2diag.log
C:ProgramDataIBMDB2DB2COPY1DB2 db2dump DB2 db2diag.log < > . .
NODE0000 < DB Name> T00000000 T00000001 T00000002 SYSCATSPACE TEMPSPACE1 USERSPACE1
. .
sql00001
Database ID (SAMPLE Default LOG DMS SMS
)
SQLLOGDIR dms_ts.dat sms_ts
. SQLTAG.NAM : SQL*.LF : LONG VARCHAR, LONG VARGRAPHIC SQL*.LB : BLOB, CLOB, DBCLOB SQL*.LBA : SQL*.LB Free SQL*.INX : .
. . . .
11
DB2
Q/ASGA DB2 . page . Buffer Cache ? . DB2 . page Buffer Cache
undo . DB2 DB2
Undo Segment( Undo Data . .
Rollback Segment) ? Data
Data Multi Version
Multi Version ?
Undo Data redo log buffer . Select Lock . DB2
DB2 V9.7 DB2 Undo Data(Before Image) Isolation Level . . DB2
Log Buffer
DB2
DB2 ? 10GB 650MB ~ 1GB . . . DB2 . DB2 link . . . DB2
1GB DB2
.
IBM Corporation
DB2
IBM Corporation
Point
DB2
.
.
DB2 v9.5
DB2
Resource esou ce 800MB Linux / Unix DB2 512MB RAM . . DB2 1GB RAM . . DB2 GUI . DB2 600MB ~
/tmp .
2GB 256MB RAM
Platform
AIX
5.3 AIX 5.3 TL(Technology Level) 9, C++ xlC.rte 9.0.0.8 9.0.0.8( ) . C++ Runtime Environment Components . AIX 6.12 AIX 6.1 TL2 C++ AIX 5.3
AIX
2 (SP2) xlC.aix50.rte 2008 6 IBM for AIX
64 AIX 64 CHRP(Common Hardware Reference Platform) AIX (CHRP lscfg
Model Architecture: chrp)
.
HP-UX
HP-UX 11iv2 (11.23.0505) 2005 5 Base Quality (QPKBASE) 2005 5 Applications Quality(QPAPPS) HP-UX 11iv3 (11.31) (11 31) Red Hat Enterprise Linux(RHEL) 5 Update 2 SUSE Linux Enterprise Server(SLES) 10 Service Pack 2 SUSE Linux Enterprise Server(SLES) 11 Upuntu 8.0.4.1
Itanium
HP Integrity Series
Linux
x86(Intel Pentium, Intel Xeon, AMD) 32-bit Intel AMD x64(64-bit AMD64 Intel EM64T ) POWER(IBM eServer OpenPower, System i) Linux pSeries eServer System z or System z9
Solaris 9 Solaris 111711-12 and 111712-12 122300-11 Fujitsu PRIMEPOWER 9 112233-01 Solaris 10 5 Raw 125101-07 Raw 64 Windows XP Professional (32 x64) Windows XP Professional 2 Windows Vista Business/ Enterprise/ Ultimate (32 x64) Windows 2003 Standard/Enterprise/DataCenter Edition (32 x64) Windows 2008 Standard/Enterprise/DataCenter Edition (32 x64)
64 UltraSPARC
Window
Windows Intel
AMD
(32
64
)
http://publib.boulder.ibm.com/infocenter/db2luw/v9r7/index.jsp .
2
DB2
Point
DB2
.
.
Windows Wi d DB2
Linux Li (X
Unix U i ) 10 ~ 20 5 ~ 10
db2_install
5 ~ 10
DB2 DB2 DB2
Linux, Unix
Windows . root
GUI .
. DB2
DB2
) Linux / Unix
Resource
DB2
.
.
root
. DB2 DB2 DB2 Unix : . DB2 DB2 . . . . DB2 DB2
.
Linux DB2
DB2 -L db2_install DB2 , , . .
DB2 . . .
.
DB2
DB2 Express C
.
. http://www.ibm.com/db2/express
DB2 Express
3
DB2
DB2PointDB2 .
DB2
R t Root
.(Unix
.
Linux
DB2 V9 7 V9.7 root Root
t root .) Root . DB2 V9.7
.
DB2
? ? .
. . DB2 . ($HOME/sqllib)
DB2
?
.
.
Root DB2 Root Root DB2 root : DB2 root . 9.7 Linux root Root . DB2 root DB2 , FixPack . , . root root DB2 .
Unix DB2
DB2 E b d d Embeded (DB2 EAS) DB2 Query Patroller DB2 Net Search Extender DB2 : root DB2 Administration Server(DAS) db2governor g Work Load Manager(WLM) root DB2 Health Monitor . db2ls : root ulimit root db2rfe : root (HA) /etc/services : root root : root
. ( ) dascrt, daslist, dasmigr . root DB2 SQLCODE . .( db2ls
dasupdt)
. ) .
. root root .( ) db2icrt, db2iupdt, db2idrop, db2imigr) . db2rfe .
.
4
DB2
Point
DB2 Enterprise Server
.
1. DB2 Enterprise Server Edition CD
db2setup
.
.
2. DB2 Enterprise Server Edition . DB2 Client Data Server Client 9.7
9.7
.
IBM
5
DB2
Point
DB2
.
5. .
.
.
.
7. DB2 . Default C:Program FilesIBMSQLLIB
.
Window
8. DB2 . 6. DB2 Server " "
.
DB2
.
6
DB2
Point
DB2
.
9. DB2 60000
. . Default .
Listen 50000
11.
.
DB2 .
DB2
DB2
12.
SMTP
.
10.
. OS
DB2 OS .
OS
7
DB2
Point
DB2
.
13. DB2
DB2
,
,
.
15. DB2 " " .
.
.
14. . " "
.
DB2
16. Visual Studio 2005 Visual Studio 2005 " " .
DB2
DB2 .
.
8
DB2
Point
DB2
.
17. DB2 HR Schema SAMPLE .
DB2
Sample "
. SAMPLE
18. .
"SQL
"XML SAMPLE
SQL
"
. .
. "
XML
.
9
DB2
Point
DB2
AIX
db2_install
.
1. DB2
. . .
. OS
DB2
db2prereqcheck
4.
/tmp/db2_install.log. . Task #43 end Task #44 start Description : Initializing instance list Estimated time 5 second Task #44 end
.
XL C++ Runtime
Upgrade
/sw_image/db2v97/DB2_ESE_V97>./db2prereqcheck 2. db2_install .
h
/sw_image/db2v97/DB2_ESE_V97>./db2_install h DBI1045I Usage: db2_install [ -b ] [-p ] [ -c ] [-l] [-f NOTSAMP] [ -t ] [-n] [-L ] [-h | -?] Explannation: -b This option is mandatory for root install when n is specified but optional for non-root install.
Task #45 start Description : Updating global profile registry Estimated time 3 second./db2_install Default directory for installation of products /opt/IBM/db2/V9.7 ************************************************* Do you want to choose a different directory to install[yes/no]? no Specify one of the following keywords to install DB2 products products. ESE CLIENT RTCL Enter help to redisply product names. Enter quit to exit. ************************************************** ESE
Installing DB2 file sets:...........Success Setting DB2 library path:........Success installing or updating SA MP Base Component:..........Success Installing national language support for SA MP Base Component:..........Success Installing or updating DB2 HA scripts for SA MP Base Component:...........Success Updating global registry: registry:..........Success Success The installation of IBM Tivoli Monitoring for Database has completed.
10
DB2
Point
db2_install
DB2
.
.
1. root
.
Owner DB2 DB2 .
.
:/> mkgroup db2igrp :/> mkuser pgrp=db2igrp inst97 :/> mkgroup db2fgrp :/> mkuser pgrp=db2fgrp fenc97
:/>cd /opt/IBM/db2/V9.7/instance /opt/IBM/db2/V9.7/instance>./db2icrt u fenc97 inst97 DBI1070I Program db2icrt completed successfully.
3.
Owner SAMPLE Schema
owner .
su "db2sampl" . sample HR
:/> su inst97 $db2sampl Starting the DB2 instance ... Creating database SAMPLE... Connecting to database SAMPLE... Creating tables and data in the schema INST97... Stopping the DB2 instance... db2sampl processing complete.
11
DB2
Point
root
DB2 . OS
DB2
DB2 V9.7
.
.
Windows
AIX
< Windows >
< Unix >
$DB2_HOME bin bnd cfg DB2 FUNCTION program filesIBMsqllib
DB2 .
/$DB2_HOME bin bnd cfg db2dump FUNCTION
DB2 /opt/IBM/db2/V9.7 .
. . . SYSCATSPACE TEMPSPACE1 USERSPACE1 .
NODE0000 < DB Name> T00000000 T00000001 T00000002
sql00001
Database ID (SAMPLE Default LOG DMS SMS
)
SQLLOGDIR dms_ts.dat sms_ts
. SQLTAG.NAM : SQL*.LF : LONG VARCHAR, LONG VARGRAPHIC SQL .LB : BLOB, CLOB, SQL* LB BLOB CLOB DBCLOB SQL*.LBA : SQL*.LB Free SQL*.INX : .
. . . .
12
DB2
Point
DB2
.
1. DB2 Administration Server(DAS) DB2 DB2 DAS "db2cmd" .
4. . DAS . DAS "db2admin start" . =>
=> . .
=>
=> IBM DB2 => DB2COPY1( DB2
) =>
2. DB2 CLP
.
"db2admin"
DAS
C:> db2admin DB2DAS00
3. DAS
"
DAS
"
.
.
C:> db2admin start SQL4409W DB2 Administration Server .
13
DB2
Point
DB2
.
5.
.
.
7. Feature
. 25 .
DB2 License .
6.
(db2eseX.lic
)
.
8.
Feature
Feature
.
14
DB2
Point
DB2
AIX
db2_install
.
1. root Default db2licm .
adm -l
DB2 /opt/IBM/db2/V9.7 .
. license
. DB2 V9.7
/opt/IBM/db2/V9.7/admin>./db2licm -l : : : ID: : " "db2ese" "9.7" "DB2 Enterprise Server Edition " " "
2.
a db2ese-c.lic
.
.
db2licm
/opt/IBM/db2/V9.7/admin>./db2licm a /db2lic/db2ese_c.lic LIC1402I License added successfully. LIC1426I This product is now licensed for use as outlined in your License Agreement. USE OF THE PRODUCT CONSTITUTES ACCEPTANCE OF THE TERMS OF THE IBM LICENSE AGREEMENT, LOCATED IN THE FOLLOWING DIRECTORY: /opt/IBM/db2/V9.7/license/en_US.iso88591
3. Feature .
1
db2licm
db2licm
.
/opt/IBM/db2/V9.7/admin>./db2licm l Prodct name : License type: Expiry date: Product identifier: Version Information: DB2 Enterprise Server Edition DB2 Edition CPU Option Permanent db2ese 9.7
15
DB2
Point
DB2
.
1. Client setup.exe
.
DB2 . IBM Data Server Client
CD
3.
.
2.
"
"
.
4.
Component
. .
100~200M " "
"
. "
DB2 Client
http://www-306.ibm.com/software/data/db2/9/download.html
.
16
DB2
Point
DB2
.
5. IBM Data Server Client
7. Client .
.
6.
8. .
DB2
DB2
.
DB2
.
IBM Data Server Client DB2 . IBM Data Server Client ( V9.7 IBM Data Server Client IBM Data Server Runtime Client IBM Data Server Driver for ODBC, CLI
SQL . 1 .)
.
.NET
17
DB2
Point
DB2
.
10.
"
"
.
.
18
DB2
Point
DB2
.
1.
DB2 DB2
db2swtch . .
4.
(Drop) SAMPLE .
2. 2
. SAMPLE . " " TOOLSDB
. TOOLSDB
DB2
3.
. .
.
5. DB2 .
.
DB2
19
DB2
Point
DB2
.
6. /
DB2
.
db2unins : db2unins -p : p db2unins -f : . db2unins -d : .
DB2 DB2 DB2 DB2
.
C:DownloadDirectordb2_97_win> db2unins f
7.
.
20
DB2
Point
DB2
AIX
.
1. inst95
. list applications . "list applications" list applications . . .
2. list db database " $ db2 list db directory System Database Directory .
Drop Database .
.
force applications all
Number of entries in the directory = 1 Database 1 entry : Database alias Database Name Local database directory Database release level Comment Directory entry type Alternate server hostname Alternate server port number $db2 drop db sample = = Indirect = = = SAMPLE = SAMPLE = /home/inst97 = c.00
list applications . /opt/IBM/db2/V9.7/admin>su i t97 / t/IBM/db2/V9 7/ d i inst97 $ db2start
06/11/2009 09:30:41 0 0 SQL1063N DB2START processing was successful. SQL1063N DB2START processing was successful. $ db2 connect to sample Database Connection Information Database server Local database alias $ db2 list applications Auth Id Application Name Appl. Handle Application ID pp pp pp DB Name INST97 db2bp SAMPLE 7 # of Agents *Local.inst97.000611003047 1 -------------------------------------------------------------------------= DB2/AIX64 9.7.0 = SAMPLE SQL authorization ID = INST97
Catalog database partition number = 0
3. db2stop . root db2idrop $ db2stop force
DB2DIR/instance .
06/11/2009 09:37:38 0 0 DB2STOP processing was successful. SQL1064N DB2STOP processing was successful. /opt/IBM/db2/V9.7/instance>./db2idrop inst97 4. 4 db2ls DB2DIR/install DB2 . "db2_deinstall a" . DB2DIR DB2 .
$ db2 force applications all DB20000I The FORCE APPLICATION command completely successfully. DB21024I This command is asynchronous and may not be effective immediately.
DB2
/opt/IBM/db2/V9.7/instance>db2ls Install Path Level Fix Pack Special Install Number Install Date Installer UID -------------------------------------------------------------------------/opt/IBM/db2/V9.7 9.7.0.0 KORST 0 0 Wed Jun 11 08:00:26 2009
/opt/IBM/db2/V9.7/instance>cd ../install /opt/IBM/db2/V9.7/instance>./db2_deinstall -a DBI1016I Program db2_deinstall is performing uninstallation. Please wait.
21
DB2
DB2AIX
Q/ADB2 Enterprise Server Edition DB2 Server SA MP Base Component ? Linux DB2 . db2/aix/tsamp installSAM . Tivoli HA(High Availability) SA MP Base . ?
SA MP Base Component AIX Component AIX Linux IBM Data Server AIX Linux IBM Data Server Cluster DB2 Enterprise Server Edition . DB2 CD .
SA MP Base Component
, . DB2 . DB2 DBA . ?
, OS .
. DB2 settingsAdministratorMy DucumentsDB2LOGDB2-ESE-< db2_install.log. . .
? >.log Unix c:Doments /tmp
DB2 . . Unix
.
? .
DB2 V9.1 ? . DB2 V9.1 DB2 V9.7 Fixpak
. DB2 V9.1 . .
DB2 V9.7 Fixpak
DB2 Client V8.2
.
V9.7
Upgrade .NET
Client .
?
DB2 Client V8.2 V9 DB2 Server V 9.7 Runtime Client IBM Data Server Driver for ODBC, CLI .
IBM Data Server Client, IBM Data Server V9.7 DB2 V9.X V8.2 . .
http://www.ibm.com/software/data/udb/sysreq.html
IBM Corporation
IBM TSS Techline
Command Line DB2
IBM Corporation
Point
DB2
.
DB2
.
DB2
Oracle Manager
DB2 Database Shared Memory
init.ora ( ORACLE_SID ORACLE SID alert log
SPFILE )
DBM Configuration File Database Configuration File DB2INSTANCE Administration Notification Log Diagnostic Log (db2diag.log) Buffer Pool Database Manager Database Shared Memory Package Cache Utility Heap Catalog Cache Application Shared Memory Agent Private Memory Application Global Memory Session DB Connection SQL Backup, Restore, LOAD Meta Data Dictionary, DB2 y, Catalog g ( ) Data DB DBMS I/O DBMS Block
bdump directory Data Buffer Cache System Global Area (SGA) Library Cache Large Pool Data Dictionary Cache program global area User Global Area (UGA) session
.
DB2
.
2
DB2
Point
DB2
.
DB2
.
DB2
Oracle
DB2
SYSTEM Datafile Segment Extent Data block partitioned tables Data dictionary Dual Table global temporary table ROLE Dynamic Performance Views
SYSCATSPACE Container Storage Object Extent Data Page Partitioned Tables System Catalog Dual Table Global Temporary Table ROLE Snapshot Monitor SQL Administrative Views nickname Alias Nonpartitioned Index Partitioned Index Materialized Query Table M i li d Q T bl (MQT) N/A Package
Meta Data Dictionary, DB2 Catalog
Data
Block ,
Database Dummy Table y
DBMS SYSIBMADM
. (
View
DB2
SYSIBMADM.SNAPBP )
Database Link synonym global index local index materialized View Package N/A
Federated Database
1 VIEW PL/SQL Block Static Embedded SQL
1
.
DB2
.
3
DB2
Point
DB2
.
DB2
.
DB2
Oa Oracle Redo Log Files Active Log Inactive Log Archive Log Archive Log Mode Noarchive Log Mode
DB2 Transaction Log Files Active Log Online-archive Log Offline-archive Log Log Archiving Circular Logging Archive
Oracle Oracle Call Interface (OCI) PL/SQL
DB2 Call Level Interface (CLI) SQL/PL C C++ SQL Q DB2 V9.7 PL/SQL
.
DB2
.
4
DB2
SQLPointDB2 SQL SQL SQL , . SQL . SQL .
SQL SQL . ( DB2 , / , / , . ) . ANSI SQL . / / . .
PL/SQL
DB2 SQLPL PL/SQL DB2 SQLPL DB . SQL PL(SQL Procedural Language) SQL SQL
PL/SQL(Procedural Language/SQL)
.
SQL SQL
3
SQL
SQL/PSM(SQL Persistent Stored Modules)
) Oracle PL/SQL DB2 SQLPL . DB2 SQLPL SQL/PSM DB2 SQLPL Oracle PL/SQL DB2 V9.7 PL/SQL
Oracle PL/SQL Oracle PL/SQL 3 Syntax . PL/SQL
DB2 SQLPL SQL .
DB2 Command Line Interface SQL*Plus iSQL*Plus Enterprise Manager DB2 DB2 DB2 CLPPlus (DB2 9.7
New Feature)
Thrid party
Toad WareValley Orage
Toad for DB2 WareValley Orage
5
DB2
Command LinePointProcessor . SQL Command line . . Sql*Plus DB2 Command Line
DB2 qpu sqlplus c p(co clp(command line processor) a d e p ocesso ) GU GUI . db2 . . OS DB2 OS
DB2 DB2 /home/inst95> sqlplus / as sysdba SQL> select * from emp;
DB2
. : /home/inst95> db2 db2=> select * from emp db2=> : /home/inst95/>db2 select * from emp /home/inst95/>ls la
db2=> quit DB2 SQL>quit db2=> terminate . /home/inst95> db2 tvf ) -t: (;) -v: v: . -f < >: . db2=> help [ ] db2=> EDIT db2=>! db2=> HISTORY db2=> runcmd ? db2=> ? . .
SQL> @test.sql
.
CLP
SQL> help set SQL> EDIT SQL> !
> .
db2=> ? SQL SQLCODE .
6
DB2
DB2 V9.7PointDB2 V9.7 CLPPlus sql*plus .
command Linesql*plus clpplus . SQLPlus
SQLPlus
DB2 CLPPlus
SQLPlus c:> sqlplus [ @connect_identifier ]
DB2 CLPPlus c:> Clpplus [/@ :/ ] SQL> CONNECT [@:/< DBName> ] SQL> QUIT SQL> @test.sql SQL> / SQL> R[UN] SQL> EXEC[UTE] SQL> GET plsql.sql SQL> EDIT plsql.sql Q p q q SQL> SAVE test.sql SQL> SHOW [option] SQL> SPOOL [ output file | OFF ] SQL> DESCRIBE [schema.object] SQL>COLUMN [column name] [FORMAT FOR spec | HEA[DING] text] ) COLUMN JOB FORMAT A5 ) COLUMN SAL FORMAT $99,999.00 SQL>COMPUTE [SUM | MAX | MIN | AVG | COUNT | NUM | STD | VAR] [LABEL text OF column1 on column2 ] SQL> BREAK ON column-name [ SKIP | PAGE | ] SQL>[ HELP|?] [ INDEX | topic ] SQLPlus topic column2 format . . , SQL SQLPlus CLPPlus OS PL/SQL . SQL Buffer . . . . . DB2
DB
DB Name
.
SQL> CONNECT [ @connect_identifier ] @connect identifier SQL> QUIT SQL> @test.sql SQL> / SQL> R[UN] SQL> EXEC[UTE] SQL> GET plsql.sql SQL> EDIT plsql.sql Q p q q SQL> SAVE test.sql SQL> SHOW [option] SQL> SPOOL [ output file | OFF ] SQL> DESCRIBE [schema.object] SQL>COLUMN [column name] [FORMAT FOR spec | HEA[DING] text] ) COLUMN JOB FORMAT A5 ) COLUMN SAL FORMAT $99,999.00 SQL>COMPUTE [SUM | MAX | MIN | AVG | COUNT | NUM | STD | VAR] [LABEL text OF column1 on column2 ] SQL> BREAK ON column-name [ SKIP | PAGE | ] SQL>[ HELP|?] [ INDEX | topic ]
SQLPlus
.
CLPPlus
DB
SQLPlus .
CLPPlus SQLPlus SQL PL/SQL SQL PL/SQL SQL SQL .
.
.
. . .
column1 BREAK Break
CLPPlus
.
7
DB2
DB2 V9.7PointDB2 V9.7 CLPPlus sql*plus .
command Linesql*plus clpplus . SQLPlus
SQLPlus
DB2 CLPPlus
SQLPlus SET ARRAYSIZE [ 1 ~ 5000 : default 15] SET AUTO[COMMIT] [ ON | OFF | IMMEIDATE | n ] SET COLSEP [ Column separator ] SET ECHO [ ON | OFF ] SET HEA[DING] [ ON | OFF ] SET LIN[ESIZE] [ 1~ : Default : 80 ] SET NEWP[AGE] SET NULL text SET PAGES[IZE] [1~ : default: 14] SET PAU[SE] [ON | OFF] SET SERVEROUTPUT [ON | OFF] SET TIMI[NG] [ON | OFF ]
DB2 CLPPlus SET ARRAYSIZE [ 1 ~ 10000 : default 10] SET AUTO[COMMIT] [ ON | OFF | IMMEIDATE | n ] SET COLSEP [ Column separator ] C l t ) SQL> SET COLSEP | SET ECHO [ ON | OFF ] SET HEA[DING] [ ON | OFF ] SET LIN[ESIZE] [1~32767 : Default : 80] SET NEWP[AGE] SET NULL text ) SQL> SET NULL SET PAGES[IZE] [2~50000 : default: 14] SET PAU[SE] [ON | OFF] SET SERVEROUTPUT [ON | OFF] SET TIMI[NG] [ON | OFF ] . text NULL . . . . . . SQLPlus CLPPlus fetch row COMMIT
.
. .
Enter DBMS_OUTPUT SQL
. .
.
SQL> SQL> SQL> SQL> SQL> SQL>
SET AUTOCOMMIT ON SET NULL SET PAU ON insert into t1 values (1,'a'); (1 a ); insert into t1 values (1,null); select * from t1; ENTER .
C1|C2 -----------|-------------------1 |a 1 |-3 .
SQL> set serveroutput on SQL> get test 1 create or replace procedure count_emp() 2 begin 3 declare i integer default 0; 4 set i=(select count(*) from kr010389.employee); 5 call dbms_output.put_line('count=' || varchar(i)); 6* end; SQL> exec count_emp(); count=42 DB250000I: .
8
DB2
DB2 CLPPointDB2 SQL .
1. " DB2
=>
=> .
=> IBM DB2 => DB2COPY1( ) => . "db2=> . db2cmd . db2 connect to sample .
3. db2
OS . .
!
db2 => !dir | more (c) Copyright IBM Corporation 1993,2007 DB2 Client 9.7.0 (CLP) . : db2 => connect to sample tt l db2 => bind sample.bnd ? ? SQL C : 6806-ABBD C:Program FilesIBMSQLLIBBIN 2009-09-18 2009-09-18 2009-05-30 2009-05-30 2009-05-30 08:30 08:30 08:38 08:38 08:38 . .. 791,840 asnacmd.exe 1,168,672 asnadmt.exe 189,728 asnadmtora.exe .
. .
. : ? CATALOG DATABASE: CATALOG DATABASE ? CATALOG: db2 CATALOG 'db2' . LIST COMMAND OPTIONS . db2=> db2 => connect to sample tt l QUIT .
4. DB2 DB2
.
? .
SQL catalog
.
db2 => ? catalog tcpip CATALOG [ADMIN] {TCPIP | TCPIP4 | TCPIP6} NODE nodename REMOTE hostname [SERVER service name] service-name] [SECURITY {SOCKS | SSL}] [REMOTE_INSTANCE instancename] [SYSTEM system-name] [OSTYPE os-type] [WITH "comment string"] : SERVER service-name CATALOG {TCPIP | TCPIP4 | TCPIP6} . NODE CATALOG ADMIN {TCPIP | TCPIP4 | TCPIP6} NODE . SECURITY SOCKS CATALOG [ADMIN] TCPIP6 NODE .
SQL
ID
= DB2/NT 9.7.0 = KR010389 = SAMPLE
2. SAMPLE Database db2 => list tables
list tables
.
/ --------------- --------------- ----- -------------------------ACT KR010389 ADEFUSR KR010389 CATALOG KR010389 CL_SCHED KR010389 T 2009-09-28-15.08.33.312018 S 2009-09-28-15.08.37.078003 T 2009-09-28-15.08.43.609003 T 2009-09-28-15.08.31.093002
9
DB2
DB2 CLPPointDB2 SQL .
5. a.sql -tvf
.
DB2 T1, T2, T3 SAMPLE
SQL .
7. EDIT
SQL .
C:> notepad a.sql drop table t1; drop table t2; drop table t3; create table t1(c1 int); create table t2(c1 int); create table t3(c1 int); C:> db2 tvf a.sql drop table t1 DB20000I SQL drop table t2 DB20000I SQL drop table t3 DB20000I SQL create table t1(c1 int) DB20000I SQL create table t2(c1 int) DB20000I SQL create table t3(c1 int) DB20000I SQL
db2 => history 1 2 3 create table t1(c1 int) ? SQL0601N history
db2 => EDIT 1 ( ) db2 => create table t4(c1 int) ? (y/n) y DB20000I SQL db2 => . . . . db2 => history . . 1 2 3 4 . ? . create table t4(c1 int) ? SQL0601N history list tables 8. history runcmd < . > .
6.
SQL Statement
db2 => runcmd 4 / --------------- --------------- ----- -------------------------ACT KR010389 ADEFUSR KR010389 CATALOG KR010389 CL_SCHED KR010389 T 2009-09-28-15.08.33.312018 S 2009-09-28-15.08.37.078003 T 2009-09-28-15.08.43.609003 T 2009-09-28-15.08.31.093002
db2 =>create table t1 ( c1 int) DB21034E . SQL . "TABLE" . SQLSTATE=42710
SQL SQL0601N "KR010389.T1" ( ) db2 => ? SQL0601N SQL0601N "" ( ) . : "" , CREATE "" ( )
""
ALTER
.
10
DB2
DB2 V9.7PointSQLPlus .
CLPPlusDB2 CLPPlus SQLPlus DB2 CLPPlus
1. CLPPlus C:/> clpplus
SAMPLE
.
3. Column .
SALARY
format
CLPPlus : Version 1.0 Copyright (c) 2009, IBM CORPORATION. All rights reserved. SQL> connect db2admin/db2admin@localhost:60000/sample Data base Connection Information Hostname = localhost Database Server = DB2/NT SQL09070 Local database alias = SAMPLE Port = 60000
SQL> column salary format $99,999.00 SQL> select empno,salary from kr010389.emp; EMPNO | SALARY -------------|-----------------000010| ########## 000020| $94,250.00 000030| $98,250.00 000050| $80,175.00 000060| $72,250.00 000070| $96,170.00 000090| $89,750.00 000100| $86,150.00 000110| $66,500.00 000120| $49,250.00 $49 250 00 000130| $73,800.00
2. SQL> HOST dir
.
CLPPlus
SQL> SET SERVEROUTPUT ON SQL> GET test.sql 1 create or replace procedure count_emp() 2 begin 3 declare i integer default 0; 4 set i=(select count(*) from kr010389.employee); 5 call dbms_output.put_line('count=' || varchar(i)); 6* end; 3. Column . SALARY Format
SQL> BREAK ON WORKDEPT SKIP 2; SQL> COMPUTE AVG LABEL Average OF SALARY A e age 2 ON WORKDEPT; SQL> COMPUTE MAX LABEL Maximum OF SALARY 2 ON WORKDEPT; SQL> SELECT WORKDEPT, EMPNO, SALARY 2 FROM EMPLOYEE ORDER BY WORKDEPT ; WORKDEPT|EMPNO | SALARY ---------------|-----------|---------------------| | A00 |000010 | ########## A00 |000110 | $66,500.00 A00 |000120 | $49,250.00 A00 |200010 | $46,500.00 A00 |200120 | $39,250.00 ******** --------------------Average g 70850.00 ******** --------------------maximum 152750.00 B01 |000020 | $94,250.00 ******** --------------------Average 94250.00 ******** --------------------maximum i 94250.00 94250 00
3. CLPPlus RUN Procedure SQL> / DB250000I: SQL> call count_emp(); count=42 DB250000I:
/
.
procedure
.
.
SQL> execute count_emp(); count=42 DB250000I: .
11
DB2
DB2PointDB2 GUI SQL .
1.
=>
=>
=> IBM DB2 => DB2COPY1( . .
) =>
3.
.
4.
=>
.
2. "list tables" .
"describe table employee
.
12
DB2
Q/ADummy A10" ? DB2 V9.7 DB2 CLPPlus . DB2 CLPPlus . SQLPlus COLUMN FORMAT A10 DB2 CLPPlus column 10 . "COLUMN FORMAT
IBM Corporation
IBM Corporation
Point
DB2
.
DB2
.
DB2
Oracle
DB2 (DatabaseManager) Shared Memory
Data Buffers SGA Library Cache Large Pool Data Dictionary Cache sqlplus PL/SQL Package N/A
Buffer Pool Database Manager Database Shared Memory Package Cache Utility Heap Catalog Cache command line processor (clp) SQL/PL N/A Package DBM Configuration File Database Configuration File
I/O
Block
Backup, Restore, LOAD Dictionary Meta Data , DB2 Catalog client SQL . Data
Client Procedure PL/SQL Block static embedded SQL
DBMS ,
Database Link Redo Log Files Alert Log Archive Redo Log Autoextend Materialized View
Federated System Transaction Log Files Administration Notification Log DB2Diag Log Archive Log Autoresize Materialized Query Table (MQT)
Datafiles Segments Extents Data blocks Data dictionary
Containers Objects Extents Pages System catalog
Database Block
2
DB2
Point
DBA
. . .
. DB2
DB2 Oracle SID = ORA11g DB2 Instance = db2inst1
catalog Data Password DB Name : ORA11g Redo Log DB Config DB Name : SAMPLE1
Control
catalog Log DB Config
DB Name : SAMPLE2
SGA
DBM Config
SET ORACLE_SID=ORA11g SQL> Connect / as sysdba SQL> startup
SET DB2INSTANCE=db2inst1 db2start
SPFILE . .
Oracle SID
.
DB2 DB2 . Registry .
Database Manager
.
. PFILE
. DBM Configuration File
DB Config
.
DB2 . . startup . DB2
DBA
. DB2
.
DB2
SGA Activate .
Mount
Open
3
DB2
Point
DB2
.
.
DB2 ORACLE_SID ORACLE SID . db2icrt * db2idrop ORACLE_SID . * ps ef | grep pmon /etc/oratab / t / t b . SET ORACLE_SID = sqlplus startup . OS . db2ilist * . SET DB2INSTANCE = DB2 Path . OS . . . . . . .
SQL> startup [ NOMOUNT | MOUNT | OPEN ] Q p
/home/inst32/db2start [ admin mode ] DB2 db2stop Path OS
sqlplus
shutdown
.
SQL> shutdown [ NORMAL | TRANSACTIONAL | IMMEDIATE | ABORT ] SQL SQL> select banner from v$version SQL SQL> opatch lsinventory -all all . .
.
/home/inst32/db2stop [ force ]
db2level
DB2
.
/home/db2inst1> db2level db2ls DB2
.
/home/db2inst1> db2ls
startup nomount startup shutdown immediate DB2 force force
DB2 ( ,db2start db2start Activate rollback . db2stop application .
) shutdown
. .
4
DB2
DB2PointDB2 Linux/Unix . .
Unix/Linux db2icrt u < FencedID > < InstName > db2icrt < InstName >
OS Platform . Owner Owner . OS
Owner .
Owner Owner
OS
. . .
Fenced User ID
Fenced User ID Fenced User ID
. .
Fenced User ID
.
1. root 2. User 3. (AIX
root . /home> su - root Owner Group . OS .) /> mkgroup db2iadm /> mkuser a pgrp=db2iadm db2inst1 /> mkgroup db2fadm /> mkuser a pgrp=db2fadm db2fenc1
Fenced . 1. Administrator . 2. DB2 ( c:program filesIBMsqllib .) bin db2cmd DB2 CLP . 3. db2icrt . c:/> db2icrt u db2fenc1 db2inst1 /
4. DB2 (AIX /opt/IBM/db2/V9.5 .) . 5. db2icrt /> db2icrt u db2fenc1 db2inst1
instance .
Fenced ID FencedID
Stored Procedure DB2 Engine Stored Procedure Stored Procedure
. OS
DB2 Engine . .
5
DB2
DB2PointDB2 Linux/Unix . .
1. 1 Administrator Ad i i t t 2. dbcmd 3. db2icrt
CLP .
. . CLP
DB2
DB2
SQL
.
Unix/Linux
1. root root . /home> su - root 2. Owner 3. OS /> mkgroup db2iadm /> mkuser a pgrp=db2iadm db2inst1 /> mkgroup db2fadm /> mkuser a pgrp=db2fadm db2fenc1 4. DB2 (AIX 5. db2icrt 5 db2i /> db2icrt u db2fenc1 db2inst1
Fenced User . (AIX
Group .)
.
/opt/IBM/db2/V9.5 .
.)
.
6
DB2
DB2PointUnix/Linux Linux/Unix . . .
1. db2ilist
.
3. list db database Name>" .
. drop database db2 catalog db amj on /home
test95
AMJ
.
test95
test95 . . .
AMJ
7
DB2
Point
.
.
DB2
,
DB2 Oracle SID = ORA11g DB Name = SAMPLE
SGA
sqlplus > CREATE DATABASE ORA11G LOGFILE GROUP 1( ~/ORADATA/log/redo01.log ) /ORADATA/log/redo01 log) SIZE 100M, GROUP 2( ~/ORADATA/log/redo02.log) SIZE 100M MAXLOGFILES 5 MAXLOGMEMBERS 5 DATAFILE $HOME/ORADATA/data/; sqlplus > conn / as sysdba;
db2=> CREATE DATABASE SAMPLE AUTOMATIC STORAGE YES ON C:,D db2=> UPDATE DB CFG FOR SAMPLE USING LOGPRIMARY 10 LOGSECOND 5 LOGFILSIZ 2000 NEWLOGPATH C:db2_logs LOGARCHMETH1 DISK:c:arch_logs db2=> CONNECT TO SAMPLE
SYSDBA : .
.
DB2 .
.
, SYSADM, : SYSCTRL
Oracle Database Configuration Assistant . CREATE DATABASE ~ .
DB2 GUI CREATE DATABASE~ .
. .
8
DB2
Point
.
DB2
.
DB2
(init.ora
) .
DB Configuration file .
DB2 archived redo log file ARCHIVEDLOG Mode redo log file
. OS
.
redo log file .
overwrite .
archived log file Archiving
redo log file .
overwrite .
. Control File : . integrity CREATE DATABASE ~ . control file . DB_CREATE_ONLINE_LOG_DEST_N OMF control file . . SQLSPCS.1 SQLSPCS.2 : . SQLOGCTL.LFH.1 SQLOGCTL.LFH.2 : active log . SQLDBCON SQLDBCONF : database configuration database SQLDBCONF SQLDBCON . db2rhis.asc db2rhist.bak : , , reorg history . DB2 . SQLBP.1 SQLBP.2 :
Data File Tablespace
. UNDO Tablespace, System Tablespace, Temporary Tablespace . DB_CREATE_FILE_DEST OMF data file .
container . Catalog Tablespace, User Space, Temporary Tablespace .
Log File Redo Log file : . Crash Recovery . Crash Recovery
9
DB2
/PointDB2 . .
OPEN
MOUNT
Activate Database
NOMOUNT
SHUTDOWN db2stop
db2start
DB2 SQL> startup nomount db2=> db2start . .
SQL> startup nomount SQL> alter database open SQL> startup
db2=> db2start db2=> activate database < DB >
.
SQL> startup restrict sqlplu> alter system enable RESTRICTED SESSION db2=> db2 > db2start admin mode RESTRICTED SESSION DB2 SYSADM, SYSMAINT, SYSCTRL .
.
DB2 SQL> shutdown db2> db2stop SQL> shutdown normal SQL> shutdown immediate db2> db2stop force . .
.
application
10
DB2
DB2PointDB2 .
1. , . , 3 DBMS . .
.
.
3.
.
.
.
.
4. DB2 . .
2.
.
11
DB2
DB2PointDB2 .
5.
.
7. .
Health Center
.
6.
SMTP
.
8.
.
12
DB2
Point
DB2
.
AIX
.
Create DB CREATE DATABASE C S CREATE Database : [ YES | NO ] ON
< DB Name>
CREATE Database b
AUTOMATIC STORAGE CATALOG TABLESPACE TEMPORARY TABLESPACE USER TABLESPACE AUTOCONFIGURE
[ path |drive ]
USING
Input
Value
APPLY
DB ONLY DB AND DBM NONE
: Input
.
workload_type tpm num_remote_apps :
simple, mixed, complex 1200 000 05 000
mixed 60 100
Simple CPU
I/O .
.
complex
.
. .
/home/inst95 > db2 db2 => create db amj automatic storage yes on /db2_data1,/db2_data2 DB20000I The CREATE DATABASE command completed successfully. Db2=> list db directory .
HR Schema Sdb2sampl EMPLOYEE, DEPARTMENT .
sample SAMPLE DATA
SAMPLE
. SAMPLE
13
DB2
Point
DB2
OS
.
DBMS
.
DB2
DB2 OS . db2set OS . DB2 Registry DB2 Registry DB2PATH, DB2INSTANCE . .
OS ORACLE_SID,ORACLE_BASE
. OS
DB2 PFILE : init.ora database initialization parameters . database initialization parameters OS Editor pfile . SPFILE : 9i parameters .
. Database Manager Configuration Database Configuration Database Configuration . SPFILE .
database initialization spfile.ora . spfile
.
pfile
pfile . spfile
SQL> show parameter [Parameter Name]
db2=> get dbm cfg db2=> get db cfg f f for db2=> update dbm cfg using < Parameter Name> < Value > db2=> update db cf g for < Database Name> using < Value > D f lt Default . db2=> reset dbm cfg db2=> reset db cfg for < Database Name>
SQL> alter system set = < Value > [ SCOPE=[MEMORY | SPFILE | BOTH ] ]
Default
Default . D f lt SQL> alter system reset < Parameter Name> [ SCOPE= MEMORY | SPFILE | BOTH ] SQL> startup /* SPFILE */
/home/inst32/db2start SQL>startup PFILE=initora10g.ora
14
DB2
Point
Configuration
Database Configuration File
init.ora .
DB2
Database Manager
Oracle 10g init.ora
DB2 9.5 : control file . DB2: SQLBP.1, SQLSPCS.1, SQLOG*, SQLDBCON, db2rhist.asc control . . pagesize i . .
control_files
db_nk_cache_size
: nK DB2: page size i * : DB2: Consistency :
db_block_checking
. page level integrity checksum page checking . .
db_block_checksum
checksum DB2: Consistency : control file DB2:
DBWn, ARCH, SQL*Loader . page level integrity checksum page checking .
block
.
db_create_online_log_ db create online log dest_n
newlogpathn (db cfg )
log file
Default .
.
: db_block_size pagesize (db cfg . ) DB2: Page Size . db_files maxtotfilop (dbm cfg ) DB2 : . : db_keep_cache_size Block . DB2: . : db_recycle_cache_size Block . DB2: DB2 LRU Recycle Pool . Recycle KEEP page size Default
15
DB2
Point
Configuration
Database Configuration File
init.ora .
DB2
Database Manager
Oracle 10g init.ora db_writer_processes
DB2 9.5 num_iocleaners (db cfg ) : Dirty Page . DB2 : Dirty Page . Container
dml_locks (locklist maxlock )
: . DB2 : DB2 lock Configuration
lock .
Database
java_pool_size
java_heap_sz (dbm cfg svcename (dbm cfg db2comm (registry )
DB2 )
: java app
.
local_listener
)
: Listener DB2 : Listener * . 5 : . DB2 :
. . SVCENAME DB2COMM .
Registry
log_archive_dest
logarchmeth1
TSM log_buffer logbufsz (db cfg maxcagents (dbm cfg sortheap p DB2 DB2 :
.
) )
.
sessions
: .
sort_area_size
: PGA DB2 : shared memory private memory .
.
16
DB2
DB2PointDB2 .
Registry DB2 DB2INSTANCE Default Client CLP . TCPIP CLP( sqlplus ) notepad, Unix . EDIT vi . . .
DB2_CLP_EDITOR
DB2_CLP_HISTSIZE Registry DB2COMM
.
TCPIP
Client
.
.
Registry
db2set lr
Registry ) C:> db2set lr Registry
.
.
db2set all
) C:>db2set all [e] DB2PATH=C:Program FilesIBMSQLLIB [i] DB2ACCOUNTNAME=KR010389db2admin [i] DB2INSTOWNER=KR010389 [i] DB2PORTRANGE=60000:60003 DB2PORTRANGE 60000 60003 [i] DB2COMM=TCPIP [g] DB2_EXTSECURITY=YES [g] DB2SYSTEM=KR010389 [g] DB2PATH=C:Program FilesIBMSQLLIB [g] DB2INSTDEF=DB2 [g] DB2ADMINSERVER=DB2DAS00 Registry . ) C:> db2set DB2COMM=TCPIP
db2set =
17
DB2
Point
.
Database Manager Configuration File
Database Configuration File
(
)
1.
=> .
DB2 sample
"db2cmd" SAMPLE
DB2 CLP
.
C:> db2start 2007-10-30 18:01:30 0 0 SQL1063N DB2START . SQL1063N DB2START . C:> db2sampl -sql C:>db2sampl Creating database "SAMPLE"... Connecting to database "SAMPLE"... Creating tables and data in schema "KR010389"... 'db2sampl' processing complete.
4. Database Manager Configuration . . SVCENAME 50000 . . .
2.
=> ,
=>
=> IBM DB2 => DB2COPY1( => < .
) => , . => 6. . 7. Database Configuration 1 2 . . MINCOMMIT . => SAMPLE
3.
DB2
> => .
) DB2
.
18
DB2
Point
.
1.
=>
=>
=> IBM DB2 => DB2COPY1( . DB2 2 .
)=>
4.
DB2INCLUDE
.
2. 2
3.
.
Registry
Registry
19
DB2
Point
.
Database Manager Configuration File
Database Configuration File
(
)
1. get dbm cfg C:LAB> db2 get dbm cfg | more C:LAB
(
)
.
3. get db cfg for . C:LAB> db2 get db cfg for amj | more C:LAB
amj = Enterprise Server Edition = 0x0c00 (MAXTOTFILOP) = 16000 CPU ( / )(CPUSPEED) = 3.700030e-007 (MB/ )(COMM_BANDWIDTH) = 1.000000e+002 (NUMDB) = 8 (FEDERATED) = NO (TP_MON_NAME) = Number Varchar2 = 0x0c00 = 0x0c00 = KR = 1208 = UTF-8 = 82 = IDENTITY (ALT_COLLATE) = = OFF = OFF = 4096 (DYN_QUERY_MGMT) = DISABLE (DISCOVER_DB) = ENABLE 2. update dbm cfg . = NO (DFT_QUERYOPT) (DFT QUERYOPT) = 5 (DFT_DEGREE) =1
/
SQL
C:LAB> db2 update dbm cfg using SVCENAME 50000 DB20000I UPDATE DATABASE MANAGER CONFIGURATION .
4. update db cfg for . C:LAB> db2 update db cfg for amj using LOGFILSIZ 2048 DB20000I UPDATE DATABASE CONFIGURATION .
get dbm cfg database manager configuration release level
.
.
.
get db cfg for . database code page, database code set, database country .
.
.
20
DB2
Point
.
Oracle Create Database ~ Temp
DB2 Create Database~ builds system, temp and user default tablespace db2start db2stop [force] update dbm cfg using update db cf g for using Default . reset dbm cfg reset db cfg for
startup pfile = ... shutdown [abort|...] alter system set < Parameter Name> = [ SCOPE=[MEMORY | SPFILE | BOTH ] ] Default Default . alter system reset < Parameter Name> [ SCOPE= MEMORY | SPFILE | BOTH ] SCOPE startup /* SPFILE */
/home/inst32/db2start startup PFILE=initora10g.ora Drop Database ~ including contents including contents .
Drop Database ~ ,
21
DB2
Q/AAIX Unix/Linux Platform Owner . DBI1131E User ID inst1is invalid OS . OS Owner . . ?
pfile
init.ora init ora . DB2
create prfile from spfile create spfile ? listener.ora . DB2 GUI , database manager import db2cfexp export .
PFILE tnsnames.ora , registry
Database Configuration File ? DB listen . . .
.
SQL1005N
. . list db directory .
?
IBM Corporation
IBM Corporation
Point.
.
DB2
DB2 DB2 TCPIP
Oracle N t O l Net
Middle-Tier Middl Ti .
. db2tcpcm
.
DB2 Oracle Net Listener . . db2tcpcm- TCPIP db2ipccm IPC db2snacm APPC . Listener.ora Net Manager . Net Configuration Assitant .
(TCPIP, IPC, IPX
)
(
)
. DBMS Configuration File Resistry Profile . .
Lsnrctl
Listener
.
DB2 N t Network k
. db2_local_ps . .
)
: LSNRCTL> start : LSNRCTL> stop
) db2start .
DB2
listener.ora Binary
Text
Editor / .
/ . DB2
.
2
DB2
Point.
.
A A4 Shared Memory Semaphore A1 A2 Logical Agent A3 DB2agent DB2agntpt A
DB2agntpt
DB2ipccm
DB2tcpcm B2 B B1 B3 B4
B DB2agntpt DB2agent DB2agntpt
B5
Idle Agent
DB2agent 2
A1. A2. DB2ipccm
DB2ipccm Coordinator Agent DB2agent EDU Shared Memory A Semophore . .
. .
B1. .
DB2tcpcm .
TCPIP
A3. DB2agent Agent A4.
DB2 Coordinator
B2. DB2tcpcm B3. Logical Agent Coordinator Agent B4. Coordinator Agent B5.
Agent DB2agent B
. . . .
3
DB2
PointDB2
Listen .
.
DB2
(
DB Name)
DB Name
. Net Manager tnsnames.ora Net Configuration Assistant . .
. . catalog catalog .
. Net Configuration Assistant tnsnames.ora
. . . . list node directory list db directory .
) ( . ) ( ) . (DB Name)
tnsnames.ora . Binary DB2 . sqllib/sqlnodir DB2 . DB2 Catalog
Text
Editor sqllib/sqlnodir/sqlnodir
,
/ .
sqllib/sqldbdir/sqldbdir
node directory
sqllib/sqldbdir/sqldbdir
db directory
4
DB2
Point
DB2 .
.
3 System DB Directory A connect to L_DB 1 1 1 Node Directory Node Name MYNODE 4 IP Addr 10.X.X.1 Port Num 3 50000 DB Alias DB Name Type L_DB R_DB DB1 DB1 remote MYNODE 2 Node C:db2 2 C:DB2
L_DB
Local DB Directory DB Alias L_DB DB Name DB1 Local
B connect to R_DB
R_DB
Local DB Directory DB Ali Alias R_DB DB N Name DB1
) : DB . Remote : DB . System db directory, local db directory, node db directory
MYNODE
.
. 1. System DB Directory ( ) 2. Type directory . 3. Local DB 3. 3 . 4. Directory . DB . tnsnames.ora Type Local DB 1. System DB Directory ( ) 2. Type .
. tnsnames.ora Type
.
.
Node Directory Local DB L l
5
DB2
Point
DB2 DB2 Catalog .
.
, . Local DB Directory Create Database ~ . , , DB2
,
listen
3
. drop Database~ . . PATH Drive> System DB Directory Local DB Directory . . . , , Local Database Directory Node Directory . System DB Directory System DB Directory . . IP Addr, Listen Port Node Directory node Directory . . Binrary . . . . . , on System DB Directory DB2 sqldbdir Node Directory DB2 sqllib/sqlnodir/sqlnodir list node directory list db directory
Catalog / Uncatalog System DB Directory , Node Directory , Node DB Listen / catalog catalog . .
System DB Directory Catalog System DB .
Local DB Directory . System db directory node directory
.
6
DB2
Point
.
1.
=>
=>
=> IBM DB2 => DB2COPY1( ) => . => < > => => DB2 .
4.
.
Listen
.
5.
.
.
6. 2. SQL22212N Admin instance "db2admin start"
.
DB2 .
.
C:LAB> db2admin start SQL4406W DB2 Administration Server d 3. . .
7. DB2
.
7
DB2
Point
.
1.
DB2COMM Profile Registry DB2 . C:LAB> db2set all [i] DB2COMM=TCPIP C:LAB> db2set DB2COMM= C:LAB> db2set DB2COMM=TCPIP C:LAB> db2set -all all [i] DB2COMM=TCPIP
3. .
DB2
C:LABUNIT5NET> db2stop [ force ] 2007-10-30 19:30:05 0 0 SQL1064N DB2STOP SQL1064N DB2STOP C:LABUNIT5NET> db2start 2007-10-30 19:30:05 0 0 SQL1064N DB2START SQL1064N DB2START . .
2. Database Manager Configuration . cfg cfg
DB2 .
Listen get dbm cfg update dbm
4. DB2
.
c:LAB> db2 get dbm cfg | find SVCENAME TCP/IP (SVCENAME) = db2c_DB2
c:LAB> db2 update dbm cfg using SVCENAME 50000 DB20000I UPDATE DATABASE MANAGER CONFIGURATION . SQL1362W . TERMINATE . DB2START .
Database Manager Configuration File D t b M C fi ti Fil Configuration Windows .
services i . services update dbm cfg using SVCENAME < > C:WINDOWSsystem32driversetc services
OS
. Listen . Unix/linux /etc services
8
DB2
Point
.
1.
=>
=>
=> IBM DB2 => DB2COPY1( =>
) => .
3.
"
"
.
. TCP/IP
2.
.
.
: :
. . export
IP
3
4. Port .
IP
OS
hosts
IP
.
:
IP
9
DB2
Point
.
5. SAMPLE
. . .
7.
.
.
8.
"
"
.
6. CLI/ODBC .
CLI/ODBC
10
DB2
Point
.
9. Kerberos . . Third-Party Security Default DBM
.
11.
DBM
ID OS
. ID
DBM
.
12.
.
,
10.
.
11
DB2
CATALOGPoint.
1. "list node directory" . . C:> db2 db2 => list node directory Node Directory Node name = NODENEO Directory entry type = LOCAL Protocol = TCPIP Hostname = 172.22.71.2 Service name = 50000
Node Directory uncatalog "list node directory"
5.
DB .
List DB Directory
) System DB Directory Directory . db2 => list db directory
Remote
= SAMPLE = NODENEO =
6. db2 => uncatalogp node NODNEO DB20000I UNCATALOG NODE DB21056W . . db2 => connect to
. > user < User ID> using
2. catalog .
Node Directory
Listen
7. Directory
DB
Uncatalog .
System DB .
db2 => catalog tcpip node remote < Server > server < Port port ) DB20000I CATALOG NODE DB21056W . . 8.
db2 => uncatalog node
Uncatalog . .
Node Directory
3. 3 )
List Node Directory Li t N d Di t local db directory .
. db2 => uncatalog db
4. Catalog DB Directory . DB2 .
System DB Directory DB DB Alias
DB
. System
db2 => catalog db < DB Name> as < Unique alias name > at node < Node Name> DB20000I CATALOG DB DB21056W . .
12
DB2
Q/ASQL30081N ping DB2 . . db2set all . get dbm cfg DB2COMM SVCENAME . . . DB2 DB2COMM Registry SVCENAME ? .
DB2
Connect
? OS . . . Default SERVER OS DBM CFG . AUTHENTICATION . Security Connect .
list db directory drop database directory .
. ? uncatalog system db directory . system db directroy t di t local db l l . catalog system db directory Local db directory catalog uncatalog drop .
IBM Corporation
IBM TSS Techline
IBM Corporation
Point
DB2
,
.
DB2
Database
Database
Table space
Datafile
Table space
Container
Segment
Object
Extent
Extent
Oracle Block
OS Page
DB2 Page
OS Page
Oracle
DB2 . Block (4k, 8k, 16k, 32k) . Block . . . DB2 .
DB2
Container
, ,
,
. . . Extent .
Extent
Extent
Block (2k, 4k, 8k, 16k, 32k)
PCT_FREE
Update
DB2
Datafile
Container
2
DB2
Point
.
.
DB2
.
DB2 Datafile . Container .
System Managed Space (SMS) Locally Managed Tablespace Extent . Free Extent Data Dictionary Managed Tablespace 8.15 8 15 Dictionary . . . . . Database Managed Space (DMS) Container Fil C i File R Raw Device D i Locally Managed Tablespace Automatic Storage Table Spaces DB2 SMS DMS . . . .
Regular . Temporary Join . Temporary Permanent Large UNDO Regular DMS 255 ) DB2 UNDO UNDO . SQL , Join . Temporary Temporary join User Temporary . . Undo UNDO . SQL Manager
.
.
UNDO
SYSTEM Data Dictionary TEMP
. . .
Temporary UNDOTBS1 UNDO USERS SYS, SYSTEM EXAMPLE
SYSCATSPACE Catalog Table . TEMPSPACE1 Temorary USERSPACE1 .
.
.
.
.
3
DB2
Point
,
,
.
DB2 CREATE TABLESPACE ALTER TABLESPACE . / Threshold Th h ld . CREATE TABLESPACE . DMS / PREFETCHSIZE, , / ,TRANSFERRATE / .
v$TABLESPACE
DBA_TABLESPACES .
SYSIBMADM.TBSP_UTILIZATION
.
DB2 : db2 => CREATE TABLESPACE amj_ts MANAGED BY DATABASE USING (FILE /tbs/amj_ts1.dbf 300M) : db2 => ALTER TABLESPACE amj_ts ADD ( file /tbs/amj_ts2.dbf 300M) : db2 => DROP TABLESPACE amj_ts : db2 => list tablespaces [ show detail ] db2 => SELECT tbsp_id as id, substr(tbsp_name,1,20), tbsp_type, tbsp_content_type, tbsp_state FROM SYSIBMADM.TBSP_UTILIZATION : db2 => list tablespace containers for [ show detail ] db2 => SELECT substr(tbsp_name,1,20), int(tbsp_id) as tid, substr(container_name,1,25) as cont_name, int(container_id) as cid, container_type, int(total_pages) as tot_pages FROM SYSIBMADM.CONTAINER_UTILIZATION WHERE tbsp_id = < ID>
: SQL> CREATE TABLESPACE amj_ts DATAFILE /tbs/amj_ts1.dbf SIZE 10M; : SQL> ALTER TABLESPACE amj_ts add DATAFILE /tbs/amj_ts2.dbf SIZE 10M; : SQL> DROP TABLESPACE amj_ts; : SQL> SELECT ts#,name FROM v$TABLESPACE; SQL>SELECT tablespace_name, extent_management, status, contents, block_size, allocation_type, segment_space_management FROM DBA_TABLESPACES; DBA TABLESPACES; : SQL> SELECT file#,status,block_size FROM v$DATAFILE; SQL> SELECT tablespace_name, file_name,file_id, status,increment_by FROM dba_data_files WHERE tablespace_name =< >;
4
DB2
DB2 DMS vs. SMSPointDB2 DMS SMS . .
DMS Tablespaces CREATE TABLESPACE dms PAGESIZE 8K MANAGED BY DATABASE USING ( file /db2/tbs/dms01 10M, file /db2/tbs/dms02 10M) EXTENTSIZE 16 ( /db2/tbs/dms01 RAW DEVICE ) :
SMS Tablespaces CREATE TABLESPACE sms PAGESIZE 8K C S C G S 8 MANAGED BY SYSTEM USING( /db2/tbs/sms01 , /db2/tbs/sms02) EXTENTSIZE 16 ( /db2/tbs/sms01/ ): SQLTAG.NAM SQL*.LF SQL*.LB SQL*.LBA SQL*.INX SQLTAG.NAM SQL*.LF SQL*.LB SQL*.LBA SQL*.INX
/db2/tbs/dms02
dms01 .
dms02
/db2/tbs/sms02/
SQLTAG.NAM : SQL*.LF : LONG VARCHAR, LONG VARGRAPHIC SQL*.LB : BLOB, CLOB, Q , , DBCLOB SQL*.LBA : SQL*.LB Free SQL*.INX :
DMS . Raw device AUTOMATIC . .
SMS
STORAGE . LOB . Extent
.
Page
.
.
. . DMS TEMPORARY SMS . . TEMPORARY .
5
DB2
DB2PointDB2
PAGESIZE
EXTENT SIZEExtent .
. . LONG VARCHAR, LONG VARGRAPHIC, BLOB, CLOB, DCLOB XML Descriptor . Table INLINE LENGTH Random . OLTP DSS PAGESIZE I/O PAGESIZE
.
Data Page
.
PAGESIZE/maximum Rows
.
PAGESIZE
.
/ /Page Size 4K 500 4005 DMS Storage Temporary Regular Automatic 64GB 8K 1012 8101 128GB 16K 1012 16293 256GB 32K 1012 32677 512GB
DMS Temporary temporary Automatic Storage LARGE (DB2 V9.7 ) DMS Temporary Temporary Automatic Storage LARGE (DB2 V9.7 )
2,048GB
4,096GB
8,192GB
1,6384GB
8,192GB
16,384GB
32,768GB
65,536GB
EXTENT
. DFT_EXTENT_SZ EXTENTSIZE
Container Extent
EXTENT .
num_ioservers . prefetchsize EXTENT . . . dft_prefetch_sz .
.
6
DB2
Point
DB2
.
Create Tablespace
CREATE
[ REGULAR | LARGE | SYSTEM TEMPORARY | USER TEMORARY ]
TABLESPACE
< TABLESPACE
>
PAGESIZE1 2 3
K EXTENTSIZE [K|M]
MANAGED BY AUTOMATIC STORAGE MANAGED BY SYSTEM MANAGED BY DATABASE PREFETCH SIZE AUTOMATIC
BUFFERPOOL
integer
[K|M]
1:
AUTOSIZE2:
[ YES | NO ]
INITIALSIZE
[ K | M | G]
INCREASESIZE
[ K | M | G]
,USING (3:
)
, USING ( [ FILE | DEVICE ] [ K | M | G] )
db2=> CREATE TEMPORARY TABLESPACE TEMPSPACE2 MANAGED BY DATABASE USING ('d:acc_tbsp', 'e:acc_tbsp') EXTENTSIZE 64 PREFETCHSIZE 32 db2=> CREATE TABLESPACE DATATS MANAGED BY AUTOMATIC STORAGE db2=> CREATE LARGE TABLESPACE LARGEDATA INCREASESIZE 10 PERCENT MAXSIZE 512 M db2=> CREATE TABLESPACE ACCOUNTING MANAGED BY DATABASE USING (FILE /tbs/acc_1' 50000, FILE /tbs/acc_2' 50000) EXTENTSIZE 256
7
DB2
Point
DB2
.
Alter Tablespace ALTER TABLESPACE ADD
< TABLESPACE2
>3] 3
[
|
[ EXTEND | REDUCE | RESIZE ] DROP ( [ FILE | DEVICE ]
)
,PREFETCH SIZE AUTOMATIC BUFFERPOOL [K|M]
integer
DROPPED TABLE RECOVERY )
[ YES | NO ] . .
Drop Tablespace DROP TABLESPACE
< TABLESPACE ,
>
db2=> ALTER TABLESPACE PAYROLL ADD (DEVICE '/dev/rhdisk9' 10000) db2=> ALTER TABLESPACE DATA_TS EXTEND (ALL 1000) db2=> ALTER TABLESPACE TS0 ADD (FILE 'cont2' 2000, FILE 'cont3' 2000) ADD (FILE 'cont4' 2000) EXTEND (FILE 'cont0' 100) RESIZE (FILE 'cont1' 3000) db2=> DROP TABLESPACE TS0
8
DB2
Point
LIST TABLESPACES
LIST TABLESPACES CONTAINERS .
SYSIBMADM.SNAPTBSP SYSIBMADM.TBSP_UTILIZATION SYSIBMADM.SNAPCONTAINER SYSIBMADM.CONTAINER_UTILIZATION
Snapshot Utilization Snapshot . Utilization
. .
.
SQL> SELECT SUBSTR(TBSP_NAME,1,30) AS TBSP_NAME, TBSP_ID, TBSP_TYPE, TBSP_CONTENT_TYPE FROM SYSIBMADM.SNAPTBSP; TBSP_NAME SYSCATSPACE TEMPSPACE1 USERSPACE1 TBSP_ID 0 1 2 TBSP_TYPE DMS SMS DMS TBSP_CONTENT_TYPE ANY SYSTEMP LARGE
------------------------------------------------------------------------------------------------------------------------------
SQL> SELECT TBSP_ID,SUBSTR(TBSP_NAME,1,15) AS TBSP_NAME, 2 TBSP_FREE_SIZE_KB,TBSP_PAGE_TOP, TBSP_AUTO_RESIZE_ENABLED 3 FROM SYSIBMADM.TBSP_UTILIZATION;
TBSP_ID 0 1 2
TBSP_NAME SYSCATSPACE TEMPSPACE1 USERSPACE1
TBSP_FREE_SIZE_KB 9,216 0 15,872
TBSP_PAGE_TOP BSP_AUTO_RESIZE_ENABLED 11,132 0 2,080 1 -1
----------------------------------------------------------------------------------------------------------------------------
SQL> SELECT SUBSTR(TBSP_NAME,1,20) AS TBSP_NAME, INT(TBSP_ID) AS TBSP_ID, 2 SUBSTR(CONTAINER_NAME,1,45) AS CONT_NAME, INT(CONTAINER_ID) AS CONT_ID, CONTAINER_TYPE SUBSTR(CONTAINER NAME 1 45) CONT NAME INT(CONTAINER ID) CONT ID CONTAINER TYPE 3 FROM SYSIBMADM.CONTAINER_UTILIZATION;
TBSP_NAME SYSCATSPACE TEMPSPACE1 USERSPACE1
TBSP_ID CONT_NAME 0 1 2 C:DB2NODE0000SAMPLET0000000C0000000.CAT C:DB2NODE0000SAMPLET0000001C0000000.TMP C:DB2NODE0000SAMPLET0000002C0000000.LR
CONT_ID 0 0 0
CONTAINER_TYPE FILE_EXTENT_TAG PATH FILE_EXTENT_TAG
--------------------------------------------------------------------------------------------------------------------------------------------------
9
DB2
Point
.
1.
db2cc
=> Sample => .
4. . .
.
2.
.
5. . .
. . Manager
3.
.
.
10
DB2
Point
.
6. Extent
.
Extent .
8.
.
9.
.
SQL
.
SQL
7.
SQL .
.
11
DB2
Point
.
1.
dms01
.
.
2.
.
12
DB2
Q/A. to write to a read-only file . OS . ? . SQL0970N system attempted
. SIZE ? 8K
? . .
. DB2 DB2 . . . OS
? .
INT, VARCHAR(100), VARCHAR(4000) . ERROR [42727] [IBM][DB2/LINUX] SQL0286N A default table space could not be found with a page size of at least "8192" that authorization ID "DB2" is authorized to use. SQLSTATE=42727 ? DB2 4K 8K . . . 8K 8K BLOB, CLOB . . 8K . LOB .
IBM Corporation
,
DB2 9.5 PL/SQL SQLPL
IBM Corporation
Point
DB2
.
. .
.
DB2
,
,
,
DB2
HR
HR
AMJ AMJ
DB2 . . . . SYS: SYSTEM: SAMPLE (HR, OE, PM, SH) . SYSIBM: SYSCAT: SYSSTAT: SYSFUN: CREATE SCHEMA < > AUTHORIZATION ~ : < >: : DROP SCHEMA < > RESTRICT
CREATE SCHEMA AUTHORIZATION < TABLE ~ : < >: .
> CREATE
. .
.
OWNER
.
dictionary DBA_TABLES ALL_TABLES .
.
SYSCAT.SCHEMATA
SQL> CREATE USER amj IDENTIFIED BY ***; SQL> CREATE SCHEMA AUTHORIZATION amj Q j CREATE TABLE AMJ.T1 ( C1 INT); SQL> select * from all_tables;
db2=> CREATE SCHEMA amj AUTHORIZATION HR db2=> CREATE TABLE AMJ.T1 ( C1 INT) ) db2=> list tables for schema < > db2=> select * from syscat.schemata
2
DB2
Point
.
DB2
.
DB2
. . . . LOB . , .
Multi Dimensional Clustering(MDC) . PCTFREE . DB2 . DMS . . . .
/ / DB2 . CREATE TABLE ~ / ALTER TABLE ~ / DROP TABLE ~ DBA_TABLES, DBA_TAB_COLUMNS schema < > . SYSCAT.TABLES, SYSCAT.COLUMNS . DESCRIBE TABLE [ ] list tables for list
.
DESC [
]
.
.
Dummy
DUAL . sqlplus > SELECT TO_CHAR(SYSDATE,YYYYMMDD) FROM DUAL;
SYSIBM.SYSDUMMY1 . db2 > db2=> SELECT TO_CHAR( CURRENT TIMESTAMP TO CHAR( ,YYYYMMDDHH24MISS) FROM SYSIBM.SYSDUMMY1;
DB2 CREATE VIEW view_name AS SELECT ALTER VIEW view_name ~ DROP View view_name DBA_VIEW . CREATE VIEW view_name AS SELECT ALTER VIEW view_name ~ DROP VIEW view_name SYSCAT.VIEW .
SQL> CREATE VIEW view01 AS SELECT ID,NAME FROM EMP; 3 DB2
db2=> CREATE VIEW view01 AS SELECT ID,NAME FROM EMP;
DB2 V9.7Point. DB2 , , , . . DB2
Oracle CHAR(n) VARCHAR2(n) LONG LONG CHAR(n) VARCHAR(n)
DB2 1
Column
: ALTER TABLE DEPARTMENT ADD COLUMN RATING CHAR(1); ALTER TABLE PROJECT ADD STTE_NOTES VARCHAR(1000) FOR BIT DATA; : ALTER TABLE EQUIPMENT ADD CONSTRAINT DEPTQUIP FOREIGN EY ( EQUIP_OWNER) REFERENCES DEPARTMENT ON DELETE SET NULL; CHECK : ALTER TABLE EMPLOYEE ADD CONSTRAINT REVENUE CHECK ( SALARY + COMM > 30000 ); : ALTER TABLE EMPLOYEE DROP CONSTRAINT REVENUE; : ALTER TABLE EMPLOYEE ALTER COLUMN WORKDEPT SET DEFAULT
123;
SECURITY Policy : ALTER TABLE EMPLOYEE ADD SECURITY POLICY DATA_ACCESS; SALARY EMPLOYEE : ALTER TABLE EMPLOYEE ALTER COLUMN SALARY SECURED WITH EMPLOYEESECLABEL;
12
DB2
Point
DB2
.
LIST TABLE
LIST
TABLES PACKAGES
FOR [ USER | ALL | SYSTEM | SCHEMA ] [
]
SHOW DETAIL
USER ALL SYSTEM SCHEMA [ ] .
. .
.
db2=> list tables for schema amj / ----------------------- -------------- ----SALES AMJ T
-------------------------2008-01-08-15.00.06.671000
db2=> list tables for system / ----------------------- -------------- ----- -------------------------ATTRIBUTES SYSCAT V 2007-11-27-14.25.58.609007 2007 11 27 14 25 58 609007 AUDITPOLICIES SYSCAT V 2007-11-27-14.25.58.843001 AUDITUSE SYSCAT V 2007-11-27-14.25.58.937003 BUFFERPOOLDBPARTITIONS SYSCAT V 2007-11-27-14.25.58.984003 BUFFERPOOLNODES SYSCAT V 2007-11-27-14.25.59.015003 BUFFERPOOLS SYSCAT V 2007-11-27-14.25.59.015007 CASTFUNCTIONS SYSCAT V 2007-11-27-14.25.59.031003 CHECKS SYSCAT V 2007 11 27 14.25.59.031007 2007-11-27-14 25 59 031007 COLAUTH SYSCAT V 2007-11-27-14.25.59.046003 -- More --
13
DB2
Point
.
DESC
.
DESCRIBE DESCRIBE [ TABLES | INDEXES FOR TABLE ] [ DATA PARTITIONS FOR TABLE ] DESCRIBE OUTPU T Select Call XQUERY XQUERY < Table > SHOW DETAIL
TABLE INDEXS FOR TABLE DATA PARTITIONS FOR TABLE .
.
.
db2=> describe table user1.departmentzzzz Table: USER1 DEPARTMENT T bl USER1.DEPARTMENT Column name -----------------AREA DEPT DEPTNAME Type Type schema name ----------- -----------------SYSIBM SMALLINT SYSIBM CHARACTER SYSIBM CHARACTER
Length -------2 3 20
Scale -------0 0 0
Nulls -------No No Yes
db2=> describe data partitions for table amj.sales show detail PartitionId ------------0 1 2 3 4 5 6 Inclusive (y/n) -----------------Y Y Y Y Y Y Y Low Value Inclusive (y/n) --------------- ----------------'2008-01-01' N '2008-02-01' N '2008-03-01' N '2008-04-01' N '2008-05-01' N '2008-06-01' N '2008-07-01' N High Value --------------'2008-02-01' '2008-03-01' '2008-04-01' '2008-05-01' '2008-06-01' '2008-07-01' '2008-08-01'
14
DB2
Point
.
1.
4. .
.
"
"
2.
"DB2ADMIN"
. 5. .
3.
.
.
15
DB2
Point
.
6.
. action . NULL .
. . . NULL . .
8. .
QUANTITY INTEGER
Null
. QUANTITY
.
1
9. 9 . 7. ITEM 20 . .
.
VARCHAR,
NULL
16
DB2
Point
10. . . LARGE .
. LOB
12.
.
.
13.
(Quantity (Q antit < 100)
. .
11. .
. .
.
14.
.
SQL
SQL
17
DB2
MDC +PointMDC .
+ MDC
CREATE TABLE AMJ.SALES ( DATE DATE NOT NULL , REGION VARCHAR(15) NOT NULL , PRODUCT_ID BIGINT NOT NULL , REVENUE DECIMAL(15,0) NOT NULL ) PARTITION BY RANGE("DATE") ( PART FY20081Q STARTING('2008-01-01') IN TBS1Q LONG IN LTBS1Q, PART FY20082Q STARTING('2008-04-01') IN TBS2Q LONG IN LTBS2Q, PART FY20083Q STARTING('2008-07-01') IN TBS3Q LONG IN LTBS3Q, PART FY20084Q STARTING('2008-10-01') ENDING('2009-01-01') EXCLUSIVE IN TBS4Q LONG IN LTBS4Q ) ORGANIZE BY ( ( "REGION" , "PRODUCT_ID" ) ) ;
CREATE UNIQUE INDEX AMJ.PARTITION_IDX ON AMJ.SALES ( DATE ASC ) INCLUDE ("REGION" ) NOT PARTITIONED IN DMS01 O O S0 PCTFREE 10 MINPCTUSED 10 ALLOW REVERSE SCANS; SELECT DATAPARTITIONNAME, TABSCHEMA, TABNAME, FROM SYSCAT.DATAPARTITIONS WHERE TABSCHEMA = AMJ AND TABNAME = SALES; > DATAPARTITIONNAME ----------------------------FY20081Q FY20082Q FY20083Q FY20084Q
TABSCHEMA ---------------AMJ AMJ AMJ AMJ
TABNAME LOWINCLUSIVE LOWVALUE HIGHINCLUSIVE HIGHVALUE ----------- ------------------- ---------------- -------------------- --------------SALES Y '2008-01-01 N '2008-04-01' SALES Y '2008-04-01 N '2008-07-01' SALES Y '2008-07-01' N '2008-10-01' SALES Y '2008-10-01 N '2009-01-01'
18
DB2
Point
DB2
.
RID
.
DB2 B+ Tree 64 UNIQUE NULL ALTER . Cluster Index Include . SYSCAT.INDEXES describe indexes for table < . . > show detail . . . . . NULL
B- Tree 32 UNIQUE NULL Clustered index IOT Index
. . . clustered Table NULL . .
DBA_INDEXES
.
DB2 CREATE INDEX IDX_SALES ON SALES (DATE ASC); DROP INDEX IDX_SALES; ALTER INDEX REBUILD; CREATE INDEX IDX_SALES ON SALES (DATE ASC); DROP INDEX IDX_SALES; ALTER INDEX .
19
DB2
Point
.
1.
.
.
4. .
.
"
DEPTNAME
2.
. 5. . .
3.
. 6. SQL SQL . .
20
DB2
Point
DB2
.
DB2 V9.7 < >.CURRVAL >.NEXTVAL . < PREVAL FOR < NEXTVAL FOR < > >
DB2 V9.7 .
.
DBA_SEQUENCES
.
SYSCAT.SEQUENCES
.
.
DB2
CREATE SEQUENCE ORDER_SEQ INCREMENT BY 1 START WITH 100 NO MAXVALUE NO CYCLE NOCACHE ; INSERT INTO ORDER_HIS VALUES ( ORDER_SEQ.NEXTVAL, BOOK, 100 ); SELECT ORDER_SEQ.CURRVAL FROM DUAL; DROP SEQUENCE ORDER_SEQ;
CREATE SEQUENCE ORDER_SEQ START WITH 100 INCREMENT BY 1 NO MAXVALUE NO CYCLE NOCACHE ; INSERT INTO ORDER_HIS VALUES ( NEXTVAL FOR ORDER_SEQ , BOOK, 100 ); SELECT PREVAL fOR ORDER_SEQ FROM SYSIBM.SYSDUMMY1; DROP SEQUENCE ORDER_SEQ;
21
DB2
DB2PointDB2 .
CREATE SEQUENCE START WITH
< >
>INCREMENT BY
AS INTEGER AS data-type
CYCLE
NO MIN VALUE MINVALUE < NO CACHE CACHE < : > >
NO MAXVALUE MAXVALUE < NO ORDER ORDER .
AS < data-type> START WITH INCREMENT BY MINVALUE MAXVALUE CYCLE CACHE :
SMALLINT, INT, BIGINT, DECIMAL . . . . .
.
. .
Select * from ORDER; CREATE SEQUENCE order_seq START WITH 100 INCREMENT BY 1 NO MAXVALUE NO CYCLE CACHE 24 INSERT INTO ORDER VALUES ( nextval for order_seq , PAPER BAG ); INSERT INTO ORDER VALUES ( nextval for order_seq ,NOTE ); ORDER_NUM 100 101 ORDER_NAME PAPER BAG NOTE
Select preval for order_seq FROM SYSIBM.SYSDUMMY1; 1 101
22
DB2
Point
INSERT, UPDATE, DELETE
.
DB2 V9.7 . . BEFORE, AFTER . . BEFORE, AFTER . REPLACE PLSQL . REPLACE . .
DB2 V9.7
. BEFORE, AFTER .
INSERT, UPDATE, DELETE
INSERT, UPDATE, DELETE
INSERT, UPDATE, DELETE
DB2 CREATE TRIGGER con_audit_trg CREATE OR REPLAC E TRIGGER con_audit_trg BEFORE INSERT ON CON_AUDIT FOR EACH ROW BEGIN :new.timestamp := SYSDATE; END; CREATE OR REPLAC E TRIGGER con_audit_trg BEFORE INSERT ON CON_AUDIT FOR EACH ROW BEGIN :new.timestamp := SYSDATE; END; CREATE TRIGGER emp_history_trg AFTER DELETE ON employees FOR EACH ROW BEGIN INSERT INTO emp_history( emp_id , first_name , last_name ) VALUS ( :old.emp_id ,:old.first_name,:old.last_name ); END; NO CASCADE BEFORE INSERT ON CON_AUDIT REFERENCING NEW as n FOR EACH ROW MODE DB2SQL BEGIN ATOMIC SET n.timestamp = CURRENT TIMESTAMP; END! CREATE TRIGGER con_audit_trg NO CASCADE BEFORE INSERT ON CON_AUDIT REFERENCING NEW as n FOR EACH ROW BEGIN ATOMIC SET n.timestamp = CURRENT TIMESTAMP; END! CREATE TRIGGER emp_history_trg AFTER DELETE ON EMPLOYEES REFERENCING OLD as d FOR EACH ROW BEGIN ATOMIC INSERT INTO emp_history ( emp_id , first_name , last_name ) VALUES ( d.emp_id ,d.first_name,d.last_name ); END!
23
DB2
Point
.
1.
.
.
3.
.
.
SQL
"old"
2.
EMPLOYEE .
"staff_del_trg" " " "
KR010389 "
.
24
DB2
DB2 V9.7PointUser Defined Function(UDF) . . . Stored Function DB2 .
DB2 Boolean . .
JAVA
C
JAVA . .
C
OLE DB Provider
CREATE [ OR REPLACE ] FUNCTION func_name [( [ IN | OUT ] datatype [ DEFAULT value] [ , .. ] ) ] RETURN datatype [ PIPELINED ] { IS | AS } SQL /
CREATE FUNCTION func_name [( datatype ( size ) [ , .. ] ) ] RETURN { Scalar_return_data_type | TABLE ( column_list) } LANGUAGE SQL [ READ SQL DATA | CONTAINS SQL ] SQL @
sql> CREATE OR REPLACE FUNCTION test01 (x number DEFAULT 1000 ) RETURN number IS BEGIN RETURN ( 0.5 * x * x * 3.14 ) ; END; /
db2=> CREATE FUNCTION test01 (x numeric(10,2) ) RETURNS numeric(10,2) LANGUAGE SQL BEGIN ATOMIC RETURN ( 0.5 * x * x * 3.14 ) ; END@
@a.sql @a sql . SQL "db2 td! vf"
.
SQL DB2
. ( @ . ) ! SQL .
25
DB2
DB2 V9.7PointDB2 V9.7 Syntax Syntax . .
DB2 Boolean . .
JAVA
C
JAVA . .
C
OLE DB Provider
CREATE [ OR REPLACE ] FUNCTION func_name [( [ IN | OUT ] datatype [ DEFAULT value] [ , .. ] ) ] RETURN datatype [ PIPELINED ] { IS | AS } SQL /
CREATE [ OR REPLACE ] FUNCTION func_name [( [ IN | OUT ] datatype [ DEFAULT value] [ , .. ] ) ] RETURN datatype [ PIPELINED ] { IS | AS } SQL /
sql> CREATE OR REPLACE FUNCTION test01 ( (x number DEFAULT 1000 ) RETURN number IS BEGIN RETURN ( 0.5 * x * x * 3.14 ) ; END; /
db2=> CREATE OR REPLACE FUNCTION test01 (x ( number DEFAULT 1000 ) b RETURN number IS BEGIN RETURN ( 0.5 * x * x * 3.14 ) ; END;
DB2 V9.7
PL/SQL
.
26
DB2
Point
.
DB2 ABS FLOOR MOD POWER N/A ROUND(arg1,arg2) TRUNC(n[,m]) LEAST GREATEST CEIL ABS FLOOR MOD POWER RAND ROUND(arg1,arg2) TRUNC (n[,m]) LEAST GREATEST CEIL Argument Argument Argument . . . . . argument Argument . argument Argument . . . .
DB2 sql> SELECT ABS(-2) FROM DUAL; ABS(-2) 2 sql> SELECT ROUND(45.926,2) FROM DUAL; q ( , ) ; ROUND ( 45.926,2) 45.93 sql> SELECT TRUNC(45.926,2) FROM DUAL; ROUND ( 45.926,2) 45.92 sql> SELECT MOD(1600,300) FROM DUAL; MOD(1600 300) MOD(1600,300) 100 sql> SELECT CEIL(13.11) FROM DUAL; CEIL(13.11) 14 db2=> VALUES RAND() 1 +1.25125888851588E-003 1 14. 1 100 db2=> SELECT CEIL(13.11) FROM SYSIBM.SYSDUMMY1 1 45.920 db2=> VALUES MOD(1600,300) MOD(1600 300) 1 45.930 db2=> VALUES TRUNC(45.926) db2=> SELECT ABS(-2) FROM SYSIBM.SYSDUMMY1 1 2 db db2=> VALUES ROUND(45.926,2) U S OU ( 5 9 6, )
27
DB2
Point
.
DB2 V9.7 ASCII CHR(n) CONCAT N/A INITCAP INSTR LENGTH / LENGTHB /LENGTHC LOWER LPAD(arg1,arg2,arg3) RPAD(arg1,arg2,arg3) LTRIM / RTRIM TRIM REPLACE(arg1,arg2,arg3) SUBSTR TRANS
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