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

The ______ subsystem manages the reliability property of a DBMS.

Reliability

Property

Database

Recovery

2 / 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

3 / 20

Which of the following is not a property of transaction?

Consistency

Atomicity

Durability

None of the above

4 / 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

5 / 20

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

True

False

6 / 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

7 / 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

8 / 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

9 / 20

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

Aborted

Failed

Active

Partially Committed

10 / 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;

11 / 20

How many properties of transactions are there?

12 / 20

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

Not Visible

Visible

Not Broken

Broken

13 / 20

Which of the following is a state of transaction?

Terminated

Aborted

Begin

End

14 / 20

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

Anonymity

Consistency

Redundancy

Latency

15 / 20

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

Isolation

Atomicity

Durability

Consistency

16 / 20

___________ determines the best possible way to execute a query.

Query optimizer

Optimizer

Oracle optimizer

Transaction optimizer

17 / 20

A durable transaction makes _____ changes.

Permanent

Basic

Advanced

Temporary

18 / 20

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

Active

Committed

Partially Committed

Aborted

19 / 20

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

True

False

20 / 20

Can we use savepoint before each function begins?

Yes

Not sure

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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.