abap part2

7/29/2019 abap part2

1/18

SAP AG

CSU

Chico

MINS298c

Fall 1998

Three Levels of ABAP Dictionary

Chapter 5 & 6


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SAP AG

CSU

Chico

Overview

Three conceptual levels

Methods to observe the levels

What is on the levels

How to see the data in a Table

Heads up on Table Processing

ABAP examples


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CSU

Chico

F1 F2

Three Levels of Dictionary

F1 F2 F1 F2F1 F2

F1 F2

Domain

Data Element

Structure


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CSU

Chico

trucks

Three Levels of Dictionary

F150 CamaroF150

cars

camper

Domain

Data Element

Structure

4 wheel

automobiles


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Chico

Definition of Levels

Domain: Range of values of a certain type and lengththat can be used by many data elements. ExampleVIN# is 11 character numeric.

Data Element: Attribute or field that is defined by a

domain. Example: Trade-in_Vin#, NewCar_Vin# Table: Collection of related Data Elements and their

values (Set of related records) Example: Car SalesOrder

Structure: Like a sub-schema or view of the data(collection of data elements that may not be relatedthrough tables) Example: CCSS


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SAP AG

CSU

Chico

Methods to View Hierarchy

Object Browser

design

analysis

Editor

debugging

programming

Basic Process

identify table/structure

drill down


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SAP AG

CSU

Chico

At Table/Structure Level

Field name

Key

Data Element

Type - determined by Domain Length - determined by Domain

Checktable

Text


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CSU

Chico

At Data Element Level

Domain

Data Type

Field Length

Value Table (allowable values) Texts


9/18 SAP AG

CSU

Chico

In Class Assignment

Write down the answers; Dont yell out.

With regard to the Table SBOOK,

SBOOKs structure contains how many fields?

How many key fields does SBOOK have?

What is the name, domain, data type and long fieldname of the last field in SBOOK?


10/18 SAP AG

CSU

Chico

How to see the data in a Table

Object Browser

use selection screen to pick a Table (structure)

Use Utility > Table Contents

Select fields (note selection fields) can filter data

can sort data

ABAP code

select *


11/18 SAP AG

CSU

Chico

In Class Assignment

Write down the answers; Dont yell out. With regard to the Table SBOOK,

Determine the number of records in the database

The number of records with connectingidentification numbers between 400 and 500

Is the default inclusive or exclusive for the rangedelimiters (Does SAP include or exclude the limits of

the range entered?)

Exclusive Inclusive


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Chico

Heads Up on Table Processing

Basic Process

Create Table

Identify those needed

Identify structure Load Table

Get Data from database

Process data

Display


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CSU

Chico


Database Table (with data) Internal Table (no data yet)

SFLIGHTMY_TABLE

How do I makesure data will fit inMY_TABLE?


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CSU

Chico



SFLIGHTMY_TABLE

How do I makesure data will fit inMY_TABLE?

Match the structures.LIKE


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CSU

Chico



SFLIGHTMY_TABLE

How do I get thedata into MY_TABLE?


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CSU

Chico



SFLIGHTMY_TABLE

How do I get thedata into MY_TABLE?

Use SELECT verb:

SELECT *FROM dbtable

INTO TABLE My_Table.


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Chico


Internal Table (no data yet)

MY_TABLE Once in My_Table, how

do I iterate to display it?

Use LOOP AT verb with

ENDLOOP.

Put actions you want donein the loop betweenLOOP AT and ENDLOOP.

LOOP AT itab.Write data.

ENDLOOP.

LOOP At itab

ENDLOOP

}


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CSU

Chico

Assignment #4

On paper, create a hierarchy example using the three levels:

Domain, Data Element, Structure. Be ready to explain onexam

Copy ZZ99DEM2

find the fields for ticket price and plane type in

SFLIGHT

add these fields to the display

place headings at top of columns; use text elements(do not worry too much about alignment yet)

abap part2

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