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

___________ determines the best possible way to execute a query.

Query optimizer

Optimizer

Oracle optimizer

Transaction optimizer

2 / 20

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

Isolation

Atomicity

Durability

Consistency

3 / 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

4 / 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

5 / 20

Which of the following is a state of transaction?

Terminated

Aborted

Begin

End

6 / 20

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

True

False

7 / 20

Can we use savepoint before each function begins?

Yes

Not sure

8 / 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;

9 / 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

10 / 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

11 / 20

How many properties of transactions are there?

12 / 20

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

True

False

13 / 20

When a transaction is committed, what does the LGWR do?

Writes the transaction's SCN to the online redo log file

Writes redo log entries in the SGA's redo log buffers to the online redo log file

Writes the unique system change number (SCN) to redo log file

Both a and b

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

The ______ subsystem manages the reliability property of a DBMS.

Reliability

Property

Database

Recovery

16 / 20

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

Aborted

Failed

Active

Partially Committed

17 / 20

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

Anonymity

Consistency

Redundancy

Latency

18 / 20

A durable transaction makes _____ changes.

Permanent

Basic

Advanced

Temporary

19 / 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

20 / 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

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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.