TCL and DCL Quiz

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Which statement is true about Transaction Control Language (TCL)?

TCL is used to control transactional processing in a database (correct)

TCL is used to save the changes permanently in the database

TCL is used to create points within groups of transactions

TCL is used to undo all changes of a transaction

What does the COMMIT command do?

Saves the changes permanently in the database (correct)

Undoes all changes of a transaction

Creates points within groups of transactions

Marks the current point in the processing of a transaction

What does the ROLLBACK command do?

Saves the changes permanently in the database

Undoes all changes of a transaction (correct)

Marks the current point in the processing of a transaction

Creates points within groups of transactions

What does the SAVEPOINT command do?

Creates points within groups of transactions Signup and view all the answers

What does the SAVEPOINT statement do in the given example?

Creates points within groups of transactions Signup and view all the answers

Transaction Control Language (TCL) is used to control transactional processing in a database.

True Signup and view all the answers

The COMMIT command permanently saves the changes made in a transaction.

True Signup and view all the answers

The ROLLBACK command undoes all the changes made in a transaction.

True Signup and view all the answers

The SAVEPOINT command marks the current point in the processing of a transaction.

True Signup and view all the answers

The SAVEPOINT command creates groups of transactions.

False Signup and view all the answers

TCL and DCL Quiz

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Questions and Answers

Which statement is true about Transaction Control Language (TCL)?

What does the COMMIT command do?

What does the ROLLBACK command do?

What does the SAVEPOINT command do?

What does the SAVEPOINT statement do in the given example?

Transaction Control Language (TCL) is used to control transactional processing in a database.

The COMMIT command permanently saves the changes made in a transaction.

The ROLLBACK command undoes all the changes made in a transaction.

The SAVEPOINT command marks the current point in the processing of a transaction.

The SAVEPOINT command creates groups of transactions.

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