Oracle Transaction Control Statements: Beginner-Level Quiz

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

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?

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

A transaction can include multiple SQL statements. 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.

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

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

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

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

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

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.

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

Which of the following statements is not correct;

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

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

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

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

A(n) ______ lock exists when concurrent transactions are granted Read access on the basis of a common lock.

The Oracle RDBMS uses the ______ statement to declare a new transaction start and its properties.