Oracle Transaction Control Statements: Beginner-Level Quiz

A transaction in Oracle ensures that either all of the command succeeds or none of the commands succeeds. True or False?

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

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

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

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.

What is the default behavior of Oracle in the absence of a COMMIT or ROLLBACK?

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

______ means that the data used during the execution of a transaction cannot be used by a second transaction until the first one is completed.

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

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.

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?

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

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?

The ______ statement is used to end a successful transaction.

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

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

In a ______ lock, the DBMS will lock an entire disk page.

In a(n) ______ backup of the database, only the last modifications to the database are copied.

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

Deadlocks are possible only when one of the transactions wants to obtain a(n) ______ lock on a data item.