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

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

2 / 20

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

3 / 20

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

4 / 20

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

5 / 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.

6 / 20

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

7 / 20

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

8 / 20

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

9 / 20

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

10 / 20

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

11 / 20

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

12 / 20

The ______ statement is used to end a successful transaction.

13 / 20

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

14 / 20

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

15 / 20

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

16 / 20

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

17 / 20

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

18 / 20

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

19 / 20

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

20 / 20

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

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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!