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: Mar 11, 2026

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Question 1

You want to shutdown a running Mysql Server cleanly.

Which three commands that are valid on either Windows or Linux will achieve this?

A : Shell> pkill –u mysql mysqld_safe

B : Shell> service mysql safe_exit

C : Shell> /etc/init.d/mysql stop

D : Shell> mysqladmin –u root –p shutdown

E : Mysql> STOP PROCESS mysqld;

F : Shell> net stop mysql

G : Shell> nmc mysql shutdown

Answer: A,C,D

Question 2

You are setting up a new server and you want to reserve 50GB of RAM for InnoDB use. What option would you set

A : innodb_ram_size=50GB

B : innodb_buffer_pool_size=50GB

C : innodb_buffer_pool=50G

Answer: B

Question 3

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 4

Which query would you use to find connections that are in the same state for longer than 100 seconds?

A : SHOW FULL PROCESSLIST WHEER Time > 100;

B : SELECT * FROM INFORMATION_SCHEMA.EVENTS SHERE STARTS < (DATE_SUB (NOW ( ), INTERVAL 100 SECOND) );

C : SELECT * FROM INFORMATION_SCHEMA.PROCESSLIST WHERE TIME > 100;

Answer: C

Question 5

A MySQL replication master is set up by using global reansaction identifiers(GTIDs). You execute this statement:

mysql> CREATE TABLE datatarget SELECT * FROM datasource;

ERROR 1786 (HY000): CREATE TABLE ... SELECT is forbidden when @@GLOBAL.ENFORCE_GTID_CONSISTENCY = 1.

Why is this statment forbiden?

A : GTIDs have detected thar a slave is inconsistent and therefore, disallow upadtes until the problem is resolved.

B : The datasource table is using an older InnoDB tablespace format, which is not compatible with GTIDs.

C : The datasource table is using the MyISAM engine, which is not compatible with GTIDs.

D : The statement cannot be logged in a transactionally safe manner.

Answer: D

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Total 392 Questions | Updated On: Mar 11, 2026

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