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: Feb 19, 2026

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Question 1

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 2

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 3

On a master server that is using Statement-based replication a table of log data has become very large. You decide to delete 100,000 rows.

Which two methods can be independently invoked to ensure that the delete is properly propagated to the slave? (Choose two.)

A : Use the LIMIT clause to limit the deletion to 100,000 rows.

B : Change the replication mode to MIXED before issuing any delete statements when the LIMIT clause is used.

C : Use the LIMIT clause in conjunction with the ORDER BY clause.

D : Use the data modification is non-deterministic, the query optimizer will resolve any potential issues.

Answer: B,C

Question 4

On examination, your MySQL installation datadir has become recursively world read/write/executable.

What are two major concerns of running an installation with incorrect file privileges? (Choose two.)

A : Users could overwrite configuration files.

B : Data files could be deleted.

C : SQL injections could be used to insert bad data into the database.

D : MySQL binaries could be damaged, deleted, or altered.

E : Extra startup time would be required for the MySQL server to reset the privileges.

Answer: A,B

Question 5

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

Page: 1 / 79

Total 392 Questions | Updated On: Feb 19, 2026

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