What is Data Dictionary in SAP ? What are main Functions of Data Dictionary in SAP ?

What is a Data Dictionary in SAP ? What are the main functions of Data Dictionary in SAP ? Transaction code for Data Dictionary

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The SAP Data Dictionary is a central repository for the development of Objects, SAP Data Dictionary is used to create and maintain metadata (data definitions) . T-Code for Data Dictionary is SE11.

SQL Can be divided into two parts
  • DML -- Data Manipulation Language
  • DDL -- Data Definition Language
Where DML consists of SELECT, INSERT, UPDATE, MODIFY, DELETE etc, this will be handled by ABAP Programs and DDL consists of commands like CREATE TABLE, DROP TABLE, ALTER TABLE, CREATE INDEX etc, this will be handled by Data Dictionary, hence Data Dictionary is the central repository for the development of objects .
The Main Functions of Data Dictionary are :
  • Data Base Tables
  • Views
  • Data Elements
  • Domains
  • Structures
  • Search Helps
  • Lock Objects

An ABAP Consultant may need to work on below areas of data dictionary :

  • Creating Tables
  • Creating Data elements and Domains
  • Creating structures and Table types
  • Creating search helps
  • Creating Lock objects
  • Creating data base views

In Next lessons we will learn how to create tables, data elements, domains and other data dictionary objects.

Navigation: T-code : SE11

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