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

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;

2 / 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

3 / 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

4 / 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

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

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

7 / 20

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

Isolation

Atomicity

Durability

Consistency

8 / 20

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

True

False

9 / 20

The ______ state means that the effects have been saved permanently in the database.

Active

Committed

Partially Committed

Aborted

10 / 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

11 / 20

When a statement is suspended, the transaction is automatically suspended. True or False?

True

False

12 / 20

Which of the following is a state of transaction?

Terminated

Aborted

Begin

End

13 / 20

In a database, before and after a transaction, properties are used to ensure ______.

Anonymity

Consistency

Redundancy

Latency

14 / 20

Errors discovered during SQL statement execution cause;

Deadlock

Statement-level rollback

Row-level rollback

Both a and b

15 / 20

Transactions allow the database to be transformed from _______.

One inconsistent state to another consistent state

One inconsistent state to another inconsistent state

One consistent state to another consistent state

One consistent state to another inconsistent state

16 / 20

Different transactions can not have the same transaction name. True or False?

True

False

17 / 20

A durable transaction makes _____ changes.

Permanent

Basic

Advanced

Temporary

18 / 20

___________ determines the best possible way to execute a query.

Query optimizer

Optimizer

Oracle optimizer

Transaction optimizer

19 / 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

20 / 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

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.