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: Dec 05, 2025

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Question 1

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

Question 2

You have just created a replication slave from a backup of the master made with mysqldump:

2020-03-14-14-37-11-4ec4153145d3e66368ed58ed6f5922f5

You try to log in to the slave with the application user, but fail as follows:

The login works on the master.

Which two changes to the process can fix the issue?

A : After the restore, log in to the database and execute FLUSH PRIVILEGES.

B : Use the --flush-privileges with mysqldump.

C : Add a second dump for the 'mysql' database; --all-databases does not include it.

D : Use the --grants option to include GRANT statements in the dump.

Answer: B

Question 3

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 4

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 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: Dec 05, 2025

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