Oracle Transaction Control Statements: Beginner-Level Quiz

According to the ANSI SQL standard, when does a transaction begin?

A transaction can include multiple SQL statements. True or False?

The three basic techniques to control deadlocks are: deadlock ______, deadlock detection, and deadlock avoidance.

The rule of transaction tells that either all the statements in the transaction should be executed (all are committed) successfully or none of those statements to be executed (i.e. all are canceled or rollbacked). Is this statement true?

All transactions are controlled and executed by the DBMS (subject to some limitations) to guarantee database _____.

If a transaction is not explicitly committed or rolled back, the changes are saved automatically by Oracle. True or False?

When a program is abnormally terminated, the equivalent of a ______ command occurs.

If several concurrent transactions are executed over the same data set and the second transaction updates the database before the first transaction is finished, the _____ property is violated and the database is no longer consistent.

If we are inserting / updating / deleting data to/from a table then we are performing a transaction on a table. True or False?

The ______ lock allows concurrent transactions to access the same row as long as they require the use of different fields within that row.

A DBMS uses a transaction ______ to keep track of all transactions that update the database

Once we execute the commit statement, we cannot revert back the changes. True or False?

A ______ database state is one in which all data integrity constraints are satisfied.

The process of trimming sets of inter-related Operations into a single unit and executing those operations by applying the do everything or do-nothing principle is called transaction management in Oracle. True or False?

Which statement allows you to create a marker to which you can later roll back?

When the recovery procedure uses _____, the database is immediately updated by transaction operations during the transaction's execution, even before the transaction reaches its commit point.

______ ensures that once transaction changes are done, they cannot be undone or lost, even in the event of a system failure.

Although the ______ locking approach improves the availability of data, its management requires high overhead.

What is the use of the ROLLBACK command in oracle?

All lock information is managed by a ______, which is responsible for assigning and policing the locks used by the transactions.