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: Apr 01, 2026

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Question 1

Force Majeure is a catastrophic failure on a major level of the database operation. Regular backups are key to helping avoid data loss in such situations.

Which two other steps can help avoid data loss in a major catastrophe? (Choose two.)

A : Implement a failover strategy to another geographic location.

B : Create a master-master pair for each service.

C : Have a second data centre in a different region or country.

D : Keep software updated to the latest version.

E : Use RAID 10 storage for data.

F : Use on-site network-attached storage to separate service from data.

Answer: A,C

Question 2

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

Question 3

You need to replicate a table from a master to a slave. The master and slave copies of the table will have different number of columns.

Which two conditions must be true? (Choose two.)

A : Each extra column in the copy with more columns must not have a default value.

B : Columns that are common to both versions of the table must be defined in the same order on the master and the slave.

C : The slave database cannot have more columns than the master. Only the master database can have more columns.

D : Columns that are common to both versions of the table must come first in the table definition, before any additional columns are additional columns are defined on either server.

E : The master database cannot have more columns than the slave. Only the slave deatbase can have more columns.

Answer: B,D

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

Page: 1 / 79

Total 392 Questions | Updated On: Apr 01, 2026

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