Which of the following are TCL commands?UPDATE and TRUNCATESELECT and INSERTGRANT and REVOKEROLLBACK and SAVEPOINT

To determine which of the given options are TCL commands, we can follow these steps:

1. Research TCL: First, we need to understand what TCL (Tool Command Language) is. TCL is a scripting language commonly used for controlling and automating software applications.

2. Identify TCL commands: Next, we need to identify the commands that are specific to TCL. TCL has its own set of commands that are used for various purposes, such as manipulating variables, controlling flow, and interacting with the system.

3. Compare the options: Now, let's compare the given options with the TCL command set.

• UPDATE and TRUNCATE: UPDATE and TRUNCATE are SQL commands used for modifying and deleting data in a database. They are not specific to TCL.

• SELECT and INSERT: SELECT and INSERT are SQL commands used for retrieving and inserting data into a database. They are not specific to TCL.

• GRANT and REVOKE: GRANT and REVOKE are SQL commands used for managing user privileges in a database. They are not specific to TCL.

• ROLLBACK and SAVEPOINT: ROLLBACK and SAVEPOINT are TCL commands used for managing transactions. They are specific to TCL.

Based on the comparison, the TCL commands among the given options are ROLLBACK and SAVEPOINT.