This reference topic summarizes the categories of statements for use with Transact-SQL (T-SQL). You can find all of the statements listed in the left-hand navigation.
The backup and restore statements provide ways to create backups and restore from backups. For more information, see the Backup and restore overview.
Data Definition Language (DDL) statements defines data structures. Use these statements to create, alter, or drop data structures in a database. - ALTER - Collations - CREATE - DROP - DISABLE TRIGGER - ENABLE TRIGGER - RENAME - UPDATE STATISTICS
Data Manipulation Language (DML) affect the information stored in the database. Use these statements to insert, update, and change the rows in the database.
Permissions statements determine which users and logins can access data and perform operations. For more information about authentication and access, see the Security center.
Service Broker is a feature that provides native support for messaging and queuing applications. For more information, see Service Broker.
SET statements determine how the current session handles run time settings. For an overview, see SET statements.