Tutorial Data Definition Language In Database Management System.

Prasoon Arora

White Belt
Data Definition Language is used to define the structure of a database. DDL includes the below mentioned factors :
1. Definition of data elements included in database.
2. Organization of data elements into respective records.
3. Definition of field name, length, type and data element.
4. Definition of access controls to various tables, records, and fields for different categories of users to protect sensitive data items from unauthorized users.
 

Swati Mishra

Content Writer
Data definition language it is used to define conceptual schema and how to implement schema in the physical device. Data definition language is used to create table in the database.
 
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