Free Oracle 1Z0-908 Exam Questions

Become Oracle Certified with updated 1Z0-908 exam questions and correct answers

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Total 392 Questions | Updated On: Jan 04, 2026

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Question 1

Your MySQL server was upgraded from an earlier major version.

The sales database contains three tables, one of which is the transactions table, which has 4 million rows.

You are running low on disk space on the datadir partition and begin to investigate.

Examine these commands and output:

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Which two statements are true? (Choose two.)

A : Executing SET GLOBAL innodb_row_format=COMPRESSED and then ALTER TABLE transactionswill free up disk space.

B : Executing ALTER TABLE transactions will enable you to free up disk space.

C : Truncating the sales and leads table will free up disk space.

D : Truncating the transactions table will free up the most disk space.

E : The transactions table was created with innodb_file_per_table=OFF.

Answer: A

Question 2

Which statement is true about FLUSH LOGS command?

A : It requires the RELOAD, FILE, and DROP privileges.

B : It closes and reopens all log files.

C : It closes and sends binary log files to slave servers.

D : It flushes dirty pages in the buffer pool to the REDO logs.

Answer: B

Question 3

Which two statements are true about using MySQL Enterprise Monitor Query Analyzer? (Choose two.)

A : The single query QRTi pie chart in the Query Analyzer view is based on the average execution of all statements.

B : It is possible to retrieve a normalized statement, but never the exact statement that was executed.

C : It is possible to configure the Query Analysis built-in advisor to get notified about slow query execution.

D : It is possible to list and analyze statements in an arbitrary graph range selection from timeseries graphs.

E : It is possible to import data into the Query Analyzer from heterogeneous sources, such as CSV.

Answer: C,D

Question 4

Examine this statement, which executes successfully:

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You want to improve the performance of this query:

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Which change enables the query to succeed while accessing fewer rows?

A : ALTER TABLE world.city ADD SPATIAL INDEX (Name);

B : ALTER TABLE world.city ADD SPATIAL INDEX (Population);

C : ALTER TABLE world.city ADD INDEX (Population);

D : ALTER TABLE world.city ADD INDEX (Name);

E : ALTER TABLE world.city ADD FULLTEXT INDEX (Name);

F : ALTER TABLE world.city ADD FULLTEXT INDEX (Population);

Answer: B

Question 5

You execute mysqladmin shutdown on a MySQL server that is decribed as follows:

- It is running with both active and idle client connections.

- It has open transactions against InnoDB.

- It has active multi-row inserts into MyISAM engine tables.

- Innodb_fast_shitdown is set to 1.

What are three effects of shutting down the server by using a mysqladmin shutdown command?

A : Connections that have an open transaction are rolled back.

B : Connections with statements running against MyISAM tables wait for completion.

C : New client connections are not accepted after shutdown is initiated.

D : Connections are accepted during the shutdown process because a graceful shutdown can take large amounts of time.

E : Partial updates may occur for non-transactional tables.

Answer: A,C

Page: 1 / 79

Total 392 Questions | Updated On: Jan 04, 2026

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