What Is Transactional Control?
Transactional control is the ability to manage various transactions that may occur within a relational database management system. When you speak of transactions, you are referring to the INSERT, UPDATE, and DELETE commands, which were covered during the last hour.
When a transaction is executed and completes successfully, the target table is not immediately changed, although it may appear so according to the output. When a transaction successfully completes, there are transactional control commands that are used to finalize the transaction, either saving the changes made by the transaction to the database or reversing the changes made by the transaction.
There are three commands used to control transactions: