Online Classes SAP ERP ABAP DICTIONARY

ABAP DICTIONARY

•Define a table and table concepts including:
   –Foreign key and primary key
   –SAP table types
   –Indexes
   –Buffering
•Describe the basic functionality of the Data Dictionary, its objects and related transactions
•Define domain and data element and how they are related
•Define structures and views
•Define search help
•Describe the data browser

What is a Data Dictionary?

•A data dictionary is a system-independent interface to a database.
•A data dictionary is a “virtual database” containing metadata (data about data).
•A data dictionary provides tools for data manipulation and data processing.
Data Dictionary
Data Dictionary

Why Data Dictionary?

using data Dictionary we don't have to worry about the server and database we can use any database or we can even change the database without doing any change in application, that the biggest advantage of using data Dictionary in SAP.
data dictionary Structure
Data Dictionary Structure


ABAP Dictionary Functionality

ABAP Dictionary Functionality
ABAP Dictionary Functionality

Navigating the ABAP Data Dictionary

using following command we can view and explore ABAP Data Dictionary in SAP GUI and ADT
SAP GUI
ABAP Data Dictionary

Data Browser

using Eclipse GUI we can explore the ABAP Dictionary by following the steps below

Data Broswer
Data Browser

Using the Browser

Browser
using the Browser

Table Relationships

In a business scenario, a booking company wants to create a subset of its services using SAP, particularly about travel services.

tabel Relation
table relationship

Displaying Tables

Ctrl+Shift+A in Eclipse GUI
displaying tables
displaying tables

Basic Data Dictionary Objects

table Structure
table Structure


Table

Actual Data Container
Field name
Primary key indicator
Attributes inherited from data element

Table
Table Structure

Relationships Between Tables: Foreign Keys

primary Key
Relationship between Tables Foreign Keys

Cardinality

•Cardinality defines the type of relationship between two tables.
•The cardinality of a foreign key indicates how many dependent records a record in a check table may have.

cardinality
Cardinality Type

Check Table - System Default

check Table System Default
Check Table System Default

SAP Table Types

SAP table type
SAP Table Type

Table Definition

table Definitaion
Table Definition

SAP Data

Master Data

  • G/L Accounts
  • Vendors
  • Materials
  • Stock Locations

Transaction Data

  • Sales Orders
  • Purchase Orders
  • Journal Entries
  • Goods Receipts

System Data

  • Metadata
  • Programs
  • Documentation
  • System Settings

Configuration Data

  • Currency Codes
  • Order Types
  • Payment Terms
  • Field Status Codes

Data Element

Semantic Definition
Attributes inherited from domain
Field labels


Demo on Table Properties


Table Peoperties
Table Properties

Data Element

Attributes inherited from the domain

Data Element
Data Element

Domain

Technical Definition
Data type
Number of characters
Output length
Value table
Domain
Domain

Two-Level Domain Concept

Multi_domain
Two Level Domain

Specifying Value Ranges for a Domain

Fixed Values Example:

Domain: S_CLASS (Classes for a Flight Booking)
Values: C (business class)
F (first class)
Y (economy class)

Value Table Example:

Domain: S_CARR_ID (Carrier ID)
Value Table: SCARR

Interdependency of ABAP Dictionary Objects RECAP

Structure
Structure of ABA Dictionary


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