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: Sep 25, 2026

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Question 1

You have a MySQL replication setup and you intentionally stop the SQL thread on the slave.

mysql> SHOW SLAVE STATUS\G

... Slave_IO_Running: YesSlave_SQL_Running: No

What are two reasons that you may stop the SQL thread on the slave while keeping the I/O thread running? (Choose two.)

A : to allow the remaining events to be processed on the slave while not receiving new events from the master

B : to allow a backup to be created under reduced load

C : to allow for point-in-time recovery on the slave

D : to prevent schema changes from propagating to the slave before they are validated

E : to prevent any transaction experiencing a deadlock

Answer: B,C

Question 2

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:

Other-Image-5400dea42-15fa-4b95-aaab-09ec510a61e4

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 3

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

Examine the output:

Other-Image-30e9b1e03-8bbc-4275-a4c0-1ac8f11994b9

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 4

Which two methods will provide the total number of partitions on a table? (Choose two.)

A : Query the INFORMATION_SCHEMA.PARTITIONS table

B : Use the command: SHOW TABLE STATUS

C : Query the performance_schema.objects_summary_global_by_type table

D : Query the INFORMATION_SCHEMA.TABLES table for the partition_count

E : Use the command: SHOW CREATE TABLE

Answer: A

Question 5

Which two are valid uses for binary logs on a MySQL instance? (Choose two.)

A : recording the order in which queries are issued

B : audit of all queries

C : point-in-time recovery

D : replication

E : logging the duration and locks for all queries

Answer: A,C

Page: 1 / 79

Total 392 Questions | Updated On: Sep 25, 2026

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