How SQL commands are are classified?

DATABASE MANAGEMENT SYSTEM

How SQL commands are are classified?

Ans-SQL Commands are classified into three categories 

(i) Data Definition Language (DDL)-Commands that allow us to perform tasks related to

data definition. E.g. creating, altering and dropping

data definition. E.g. creating, altering and dropping 

(ii) Data Manipulation Language (DML) - Commands that allows us to perform data manipulation e.g retrieval, insertion, and modification of data stored in a database.

(iii) Transaction Control Language (TCL)-Commands that allow us to manage and control the transactions.