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: Jan 15, 2026

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Question 1

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 2

Your MySQL environment has asynchronous position based-replication with one master and one slave.

The slave instance had a disk I/O problem, so it was stopped.

You determined that the slave relay log files were corrupted and unusable, but no other files are damaged.

You restart MySQL Server.

How can replication be restored?

A : The slave relay logs should be deleted; then execute START SLAVE;

B : The relay logs from the master should be used to replace the corrupted relay logs.

C : The slave relay logs should be deleted; execute CHANGE MASTER to adjust the replication relay log file name, then issue start SLAVE;

D : The slave needs to be restored from backup.

Answer: B

Question 3

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

Question 4

Consider the three binary log files bin.00010, bin.00011, and bin.00012 from which you want to restore data.

Which method would use mysqlbinlog for greater consistency?

A : shell> mysqlbinlog bin.00010 | mysql shell> mysqlbinlog bin.00011 | mysql shell> mysqlbinlog bin.00012 | mysql

B : shell> mysqlbinlog bin.00010 bin.00011 bin.00012 | mysql

C : shell> mysqlbinlog – restore bin.00010 bin.00011 bin.00012

D : shell> mysqlbinlog – include-gtide=ALL bin.00010 bin.00011 bin.00012 | mysql

Answer: B

Question 5

When using MySQL Group Replication you can use the following storage engines:

A : InnoDB and MyISAM

B : InnoDB

C : MyISAM

D : All the engines included with MySQL

Answer: B

Page: 1 / 79

Total 392 Questions | Updated On: Jan 15, 2026

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