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Using Oracle SQLTips and TechniquesDatabase Management SystemsFundamentals

CSCI 2020


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Oracle's Structure

CORE

JDBCInterface

Pro-C

SQL

PL-SQL

SQLPlus

Data

HTTP Server

PHPInterface

ODBCInterface


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Oracle at ETSU

The dept. has an Oracle server

Server pythi

a.etsu.edu Database SID csdb.etsu.edu

You have an account:

User Name is the same as your campus account

Password is initially dbms


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Choices

SQL-Developer

Available f

or d

ownl

oad fr

om ORACLE

ECLIPSE add-on

Full package on course site

SQL-Plus Instant Client

Available for download from ORACLE Install Instructions on course site

.Visual Studio add-on

Available for download from ORACLE


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SQL Plus Instant Client


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SQL

Developer


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ECLIPSE in the labs

From Window chooseOpen Perspectivethen chooseOther


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ECLIPSE in the labs

Choose SQL Explorer

Then click OK


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ECLIPSE in the labs

If the Connection Window is not visiblego to Window then choose Show View andselect the Connections window


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ECLIPSE in the labs

In the Connection Windowright click ETSU_SERVER andselectConnect New User


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ECLIPSE in the labs

Fill in your User and

Password and thenuncheck theAutoCommit boxand press OK

You will connect


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ECLIPSE in the labs

The SQL Editor will appearhere you can enter yourcommands. When ready toexecute them click the

Running Man icon on thetoolbar


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ECLIPSE in the labs

Your output willappear in the paneright below . Toclear the SQLEditor Windowfor the next

command click theEraser Icon onthe tool bar.


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ECLIPSE in the labs

To load a file ofcommands clickon the FolderIcon on thetoolbar and

locate the file


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ECLIPSE in the labs Your can save thecontents of an SQLEditor Windowclick the Diskette

Icon on the toolbar.

Then choose no

to save the codeoutside of aproject.


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ECLIPSE in the labs

The Save as

dialog boxwill appear toallow you tosave the file


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ECLIPSE in the labs

All of your past commandsare accessible through theSQL History Window


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ECLIPSE in the labs

The Database Structure Windowallows you to browse the tables in youruser


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ECLIPSE in the labs

The Database Detail Window gives many type ofinformation on the tables from the Database

Structure Window the Columns Tab lists everycolumn in the table and their column types


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ECLIPSE in the labs

The Preview Tab shows you the content of the table


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ECLIPSE in the labs

When you are done goto the ConnectionWindow, highlight youruser name and close allof the connections for

your user


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Commit Protocol

COMMIT

Make ch

anges parto

f permanent DB ROLLBACK

Undo changes back to beginning or last orspecified SAVEPOINT

Auto-Commit SET AUTOCOMMIT ON Immediate

SET AUTOCOMMIT OFF Deferred


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Data Types Character VARCHAR2(n)VARCHAR2(n) CHAR (n)CHAR (n) LONG CLOB

Numeric NUMBER (p,s)NUMBER (p,s)

x INTEGER, INT s = 0x REAL, FLOAT, DECIMAL

Times

D

ATED

ATE TIMESTAMP Binary

RAW(N) LONGRAW BLOB XML


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Data Type Surprises

NULL anyother value Int NULL 0

Char NULL

Date NULL

Date Default Format dd-mon-yyyy

To get it to display correctly (sql+ only) add this toyour command filesx alter session set nls_date_format = 'dd-mon-yyyy';

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