SQL statements are generally categorized into different types based on the tasks each statement can perform.
|Data Definition Language (DDL)||Statements that define the data and data structure (schema objects).|
|Data Manipulation Language (DML)||Statements that manipulate the data.|
|Data Control Language (DCL)||Statements to limit the access on the data.|
|Transact Control Language (TCL)||Statements to control the transactions in a session.|
|Data Query Language (DQL)||Statements used to view the data.|
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