Oracle Transaction Control Statements: Beginner-Level Quiz

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Oracle Transaction Control Statements Quiz

Welcome to the "Transaction Control Statements" quiz! This quiz is designed to assess your understanding of essential concepts related to managing transactions in Oracle Database. You’ll explore key statements such as COMMIT, ROLLBACK, and SAVEPOINT, and learn how they help maintain data integrity and control changes. Whether you're preparing for an interview or looking to solidify your knowledge, this quiz will challenge your grasp of transaction management. Let’s get started!

1 / 20

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

2 / 20

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

3 / 20

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

4 / 20

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

5 / 20

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

6 / 20

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

7 / 20

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

8 / 20

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

9 / 20

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

10 / 20

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

11 / 20

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

12 / 20

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

13 / 20

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

14 / 20

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.

15 / 20

What is the use of the ROLLBACK command in oracle?

16 / 20

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

17 / 20

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.

18 / 20

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

19 / 20

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

20 / 20

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

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Oracle transaction control statements focus on managing database transactions to ensure data integrity and consistency.

Key commands to be explored include COMMIT, ROLLBACK, and SAVEPOINT, which allow users to save, undo, or manage changes within a transaction.

This quiz is designed to test your understanding of effectively controlling data modifications in Oracle databases.

Best of luck!