SAP ABAP Dictionary Bc030

8/10/2019 SAP ABAP Dictionary Bc030

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Linking a Data Model to

ABAP/4 Dictionary Objects

Data Model


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CHAPTER 3Dictionary Objects

TablesData ElementsDomains

Using a Table in an ABAP/4 Program


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Accessing the ABAP/4Dictionary

SCREENSHOT :


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SCREENSHOT :


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Basic Objects of the ABAP/4Dictionary

Data Element 1 Data Element 2

Domain

Table CTable BTable A


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Tables

TABLE KNA1(Customers)

Name 1 ORT 02MANDT KUNNR

Table: KNA1

SCREENSHOT : SE11 TRANSACTION ABAP DICTIONARY


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SCREENSHOT : SE11 TRANSACTION - ABAP DICTIONARY


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Two-Level Domain Concept

Data Element 1 Data Element 2

Domain


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Data Elements

Data Element 1

Table BTable A


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Pre-Defined Data Elements


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Data Element Documentation


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Enter a description (short text).

Enter domain name.

SCREENSHOT : SE11 - create, change and display data elements


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: SE11 create, change and display data elements


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TO CREATE A DATA ELEMENT :


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TO CREATE A DATA ELEMENT :

FIELD LABEL LIMITS FOR SPACE MANAGEMENT


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FIELD LABEL LIMITS FOR SPACE MANAGEMENT

Maintain field labelsand column header.


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Domains

Path Elements

Table A

Domain


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Characteristics of Domains

Path Elements

Table A

Domain


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Allowed Values

Value TableJanuaryFebruary

March.......December

DomainDomain


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Benefits of Using Allowed Values

CREATE DOMAIN:


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SCREENSHOT : SE11 to create, change and display domains


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: SE11 to create, change and display domains

SCREENSHOT : CREATE TABLE THROUGH SE11


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: CREATE TABLE THROUGH SE11

SCREENSHOT : CREATE TABLE THROUGH SE11


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Table maintenance attribute

Maintain field attributes

Maintain delivery class

S


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Using a Table in Program Code

TABLES: YEMPLOY.

SELECT * FROM YEMPLOY.

WRITE: / YEMPLOY_1D, YEMPLOY_NAME, YEMPLOY_SALARY.

ENDSELECT.


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CHAPTER 4

Foreign Key RelationshipsDefinition & Uses of Foreign KeysPrerequisites for Constructing Foreign Key

RelationshipsKey Terminology

Cardinality and Foreign Key Field TypesForeign Keys with Multiple Fields


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Definition of Foreign Keys


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Uses of Foreign Keys

Maintain data integrity

Provide help texts Create aggregate

dictionary objects


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Prerequisites for Constructing

Foreign Key Relationships The foreign key field and the

primary key of the checktable must share the samedomain.

A value table must exist forthat domain.


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Check Table

Value Table

Foreign Keys: Key Terminology

Foreign Key Table


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Foreign Key Terminology:

Example 1

CheckTable

ValueTable


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Foreign Key Terminology:

Example 2

CheckTable

ValueTable


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Establishing a Foreign Key

Relationship in the ABAP/4Dictionary


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Cardinality

1

C

N

CN

1

C

n : m


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Students

Check Table: Students Foreign Key Table: Course Enrollment

Foreign Key Field Type

STUDENT_ID

?


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Foreign Key Type:

Key Fields or Key FieldCandidates

Faculty Course


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Foreign Key Type:

Key Fields of a Text Table

T005(Country Codes)

(T002)(Language Codes)

T005T(Country descriptions)


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Foreign Key Type:

Non-Key Field Candidates

Professor

Course


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Maintain cardinality n : m

Maintain foreignkey type

Check table(defaults tovalue table)


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Foreign Keys with Multiple

Fields


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Check Table

Field-By-Field Assignment

Foreign Key Table


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Partial Foreign Keys


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Constant Foreign Keys


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Generic foreign key

Constant foreign key


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CHAPTER 5ABAP/4 Dictionary Tables

in Relational DatabasesSAP Table Types

Technical SettingsIndexes


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Transparent Tables

Type = TRANSP

Master Data


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Table Types TRANSP

in the Database

DB

PROFILE

Mapping a Table of Type


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Mapping a Table of TypeINTTAB

DB

PROFILE

Pool and Cluster Tables:


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Pool and Cluster Tables:Overview

Pool Table Cluster Table


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Master TransactionOrganization &

Customizing User

Technical Settings

Data class

Size category

Buffering

Log data changes

Number of data records inDB storage

Single records, generic,

full, not buffered

on or off


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Master data User data

Data Class

Organization andcustomizing dataTransaction data

DB


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Size Categories


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Buffering Type

None

KF1 KF2 KF3 F4 F5 F6

Single RecordKF1 KF2 KF3 F4 F5 F6

Generic

KF1 KF2 KF3 F4 F5 F6

Full


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Logging

Technical Settings


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GOTO --- > Indexes in SE11 Database table


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SCREENSHOT : SE14 - DATABASE UTILITY


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CHAPTER 6Adding Structures

SubstructuresCustomizing Includes

Append Structures

I l di S i T bl


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Table XYZ

.INCLUDE CI_XXX

Table T

.APPEND ZAT

Including Structures in Tables

Table YCUSTAB

.INCLUDE YSTRUC

Append Structures

Substructures Customizing IncludesCustomer Tables SAP Tables

SAP Tables

Field 1Field 2...

Field n


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.INCLUDE IN TABLES : example


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A d St t


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Table Field Data elementT S1

F1. . .Fn

.APPEND ZAT

Append Structure

ZAT ZAT-F1 ZAT-F2 ZAT-F3

APPENDING STRUCTURE INTO SAP TABLE: example


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CHAPTER 7


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CHAPTER 7

ABAP/4 RepositoryInformation System

The Repository Information System

Object Searches (Find)Use of Objects in Objects (Where-Used)

Searching for Objects Outside the Dictionary

ABAP/4 R it I f S t


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ABAP/4 Repository Info System:

Typical QueriesABAP/4

Dictionary

Find (Object Search)

Find all objects oftype A with

attributes X, Y, Z.

Where-used lists

Find all objects oftype A that use

object B


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SCREENSHOT : SE84 - REPOSITORY INFO. SYSTEM


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Selection Options


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Selection OptionsSimplified Selection (single values)

>

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SAP ABAP Dictionary Bc030