Oracle Advanced Transaction Management: Expert-Level Quiz

Oracle Advanced Transaction Management Quiz

The quiz is designed to test your in-depth understanding of how Oracle handles transactions at an advanced level. You should be prepared to answer questions that require practical knowledge of handling concurrency, ensuring data consistency, and managing transactions in complex environments. Let's Begin!

1 / 20

_____ states that all operations of a transaction must occur simultaneously; otherwise, the transaction will be aborted.

Isolation

Atomicity

Durability

Consistency

2 / 20

Savepoints divide a long transaction into smaller parts. True or False?

True

False

3 / 20

The ______ subsystem manages the reliability property of a DBMS.

Reliability

Property

Database

Recovery

4 / 20

How many properties of transactions are there?

5 / 20

The in-doubt transaction locks data that is required by other transactions. This situation occurs when the ORA-01591 error message interferes with user transactions. True or False?

True

False

6 / 20

To ensure that a transaction does not hang if it cannot obtain a lock, which of the following statements below should be executed?

FOR UPDATE ... WAIT

UPDATE ... WAIT

UPDATE ... NOWAIT

FOR UPDATE ... NOWAIT

7 / 20

The state of all executed transactions is restored to its consistent state if the transaction fails in the ______.

Beginning

Middle

End

None of the above

8 / 20

Errors discovered during SQL statement execution cause;

Deadlock

Statement-level rollback

Row-level rollback

Both a and b

9 / 20

Which of the following way can the Distributed transactions become in-doubt?

An unhandled software error does not occurs

A server machine running Oracle Database software crashes

A network connection between two or more Oracle Databases involved in distributed processing is connected

None of the above

10 / 20

What is the role in the session tree with a node forced to reference data on other nodes to complete its part of the transaction?

Local coordinator

Global coordinator

Client

Database server

11 / 20

Which condition is applied while determining the commit point site?

If a distributed transaction starts with a rollback, then the prepare and commit phases are not needed

If multiple nodes directly referenced by the global coordinator have the same commit point strength, then the database designates one of these as the commit point site

A read-only node can be the commit point site

None of the above

12 / 20

When does a statement run in a resumable mode?

When the client implicitly enables resumable semantics for the session using the ALTER SESSION statement

When the client explicitly enables resumable semantics for the session using the CREATE SESSION statement

When the client explicitly enables resumable semantics for the session using the ALTER SESSION statement

When the client implicitly enables resumable semantics for the session using the CREATE SESSION statement

13 / 20

Which of the following/s are supported by transaction control statements?

Insert, Remove, Delete

Alter,Execute,Drop

All of the above

Commit, Rollback, Savepoint

14 / 20

What are the two available operations for the database recovery module after aborting the transaction?

Kill the transaction

Re-start the transaction

Both A and B

None of the above

15 / 20

Select the correct SQL statement for disabling recovery.

update system disable distributed recovery;

select system disable distributed recovery;

delete system disable distributed recovery;

alter system disable distributed recovery;

16 / 20

In which of the following states, the transaction executes its final operation?

Aborted

Failed

Active

Partially Committed

17 / 20

In which of the following ways does the database use SCNs to coordinate the distributed transactions among different databases?

The distributed transaction commits with the highest global SCN among all the databases involved

The commit global SCN is sent to all databases involved in the transaction

An application establishes a connection using a database line

All of the above

18 / 20

Which of the following is not a property of transaction?

Consistency

Atomicity

Durability

None of the above

19 / 20

All changes made in a transaction are ______ once it commits.

Not Visible

Visible

Not Broken

Broken

20 / 20

Which of the following is a state of transaction?

Terminated

Aborted

Begin

End

Your score is

The average score is 0%

Oracle advanced transaction management delves into managing complex transactions in Oracle databases.

It covers distributed transactions, two-phase commit protocols, savepoints, and techniques for ensuring data integrity and consistency in concurrent environments.

This quiz is designed for professionals seeking to optimize transaction handling and ensure data consistency in enterprise systems.