SQL Commands For Database Management: DDL, DML, DCL & TCL Explained

DDL defines database structure, DML manipulates data, DCL controls access & TCL manages transactions with examples like CREATE, INSERT, GRANT & COMMIT.

Difference Between DDL, DML, DCL, and TCL

SQL commands are divided into categories based on their functionality. Here’s an explanation of the differences between DDL, DML, DCL, and TCL, along with examples:


  
  
  1. DDL (Data Definition Language)

  
  
  Purpose:

DDL commands are used to define and manage the structure of database objects like tables, schemas, indexes, and views.

  
  
  Key Features:

Focuses on defining and modifying the database schema.
Changes made with DDL commands are permanent and automatically committed.

  
  
  Examples:


CREATE: To create a table or databas...

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