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Questions and Answers

What is the name of the international standard for distributed computing?

SQL

ROLAP

CORBA (correct)

ISO

What is the purpose of transactions in relational databases?

To reduce storage requirements

To enhance user experience

To improve database performance

To ensure data integrity (correct)

What happens when a transaction is committed?

The database restores to its previous state

The transaction is rolled back

The transaction cannot be undone (correct)

The transaction is paused

What is the purpose of the COMMIT command?

To commit a transaction explicitly Signup and view all the answers

What happens when a transaction is rolled back?

The database restores to its previous state Signup and view all the answers

What is the purpose of the ROLLBACK command?

To roll back a transaction Signup and view all the answers

What is a transaction in a relational database?

A discrete set of SQL instructions that succeed or fail as a group Signup and view all the answers

What happens when a hardware or software failure occurs during a transaction?

The transaction is rolled back Signup and view all the answers

What is the significance of the BEGIN TRANSACTION statement?

It starts a new transaction Signup and view all the answers

What is the purpose of implicit transaction committing?

To commit a transaction implicitly if the end of the transaction is successfully reached Signup and view all the answers