Chapter-17 : TCL Command (Commit , Rollback & Savepoint) in SQL with example | MySQL database

Published: 05 November 2023
on channel: All about data

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TCL Command (Commit , Rollback & Savepoint) in SQL with example
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In SQL, TCL stands for Transaction Control Language. It is a set of commands used to manage and control transactions within a database. Transactions are groups of SQL statements that are executed as a single unit of work. TCL commands are used to ensure that transactions are completed successfully or rolled back if any errors occur.

Here are some of the most common TCL commands:

BEGIN: Starts a new transaction.
COMMIT: Saves the changes made during a transaction to the database.
ROLLBACK: Cancels the changes made during a transaction and restores the database to its state before the transaction started.
SAVEPOINT: Creates a savepoint within a transaction. You can use a savepoint to roll back to a specific point in the transaction if an error occurs.
TCL commands are essential for maintaining data integrity in a database. They ensure that data is not lost or corrupted if an error occurs during a transaction.

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