Data definition language (DDL) is concerned with the definition of data in SQL. It allows you to create, modify and delete the database objects like database, tables, views, indexes etc.
DDL commands are divided into three categories of commands namely:
Let’s understand these from implementation point of view.
An RDBMS can have one or multiple databases. We can create or delete a database.
Download as PDF
Read next: SQL – Table DDL Commands ››
« Back to Course page
May – 2020 Edition
April – 2020 Edition
March – 2020 Edition
February – 2020 Edition
January – 2020 Edition
December – 2019 Edition
Punjab Civil Services 2020