What is 'Data Definition Language' in SAP BC-DB - Database Interface, Database Platforms?

Data Definition Language - Overview

• Component: BC-DB

• Component Name: Database Interface, Database Platforms

• Description: A subset of SQL. Data Definition Language DDL statements generate and delete the objects of a relational database. In Application Server ABAP, DDL functionality is integrated into the ABAP Dictionary tool of the ABAP Workbench.

Data Definition Language - Details

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  Key Concepts: 
  Data Definition Language (DDL) is a language used to define the structure of a database. It is used to create, modify, and delete database objects such as tables, views, and indexes. DDL is part of the BC-DB Database Interface, which is a set of tools and services that allow SAP applications to access and manipulate data stored in various database platforms. 
  
  How to use it: 
  DDL can be used to create new database objects such as tables, views, and indexes. It can also be used to modify existing objects by adding or removing columns, changing data types, or altering other properties. Finally, it can be used to delete objects that are no longer needed. 
  
  Tips & Tricks: 
  When creating or modifying database objects with DDL, it is important to consider the performance implications of the changes. For example, adding an index may improve query performance but could also slow down data insertion and update operations. 
  
  Related Information: 
  The BC-DB Database Interface also includes Data Manipulation Language (DML), which is used to insert, update, and delete data from the database. Additionally, Structured Query Language (SQL) can be used to query data from the database.