Tags: Programming Language.

A Transaction Control Language (TCL) is a computer language and a subset of SQL used to control transactional processing in a database. A transaction is logical unit of work that comprises one or more SQL statements usually a group of Data Manipulation Language (DML) statements. Examples of TCL commands include: COMMIT to apply the transaction by saving the database changes.ROLLBACK to undo all changes of a transaction.SAVEPOINT to divide the transaction into smaller sections.

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