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: Feb 19, 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

You have just installed MySQL on Oracle Linux and adjusted your /etc/my.cnf parameters to suit your installation.

Examine the output:

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What statement is true about the start attempt?

A : MySQL server was not started due to a problem while executing process 2732.

B : MySQL server continued to start up even though another process existed.

C : systemd found the mysqld service disabled and failed to start it.

D : systemd waited for 30 seconds before timing out and start up failed.

E : systemd attempted to start mysqld, found another systemd mysqld process running, and shut it down.

Answer: A

Question 3

When the backup is taken, there are no errors.

Why are triggers missing from the backup?

A : The FILE privilege is required to back up the TRG files stored in the database directory.

B : The PROCESS privilege will allow the user access to process items such as triggers and functions.

C : The ALL privilege is required to back up triggers because triggers have a wide variety of abilities.

D : The TRIGGER privilege Is required to create, execute, and show triggers in a database.

Answer: 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

How can we start MySQL when it was installed using RPM in Oracle Enterprise Linux 7?

A : mysqld_safe --user=mysql &

B : systemctl start mysqld

C : service start mysql

D : mysqladmin -u root start

Answer: B

Page: 1 / 79

Total 392 Questions | Updated On: Feb 19, 2026

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