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 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 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

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 4

Your MySQL server was upgraded from an earlier major version.

The sales database contains three tables, one of which is the transactions table, which has 4 million rows.

You are running low on disk space on the datadir partition and begin to investigate.

Examine these commands and output:

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Which two statements are true? (Choose two.)

A : Executing SET GLOBAL innodb_row_format=COMPRESSED and then ALTER TABLE transactionswill free up disk space.

B : Executing ALTER TABLE transactions will enable you to free up disk space.

C : Truncating the sales and leads table will free up disk space.

D : Truncating the transactions table will free up the most disk space.

E : The transactions table was created with innodb_file_per_table=OFF.

Answer: A

Question 5

Which three methods will show the storage engine for the Country table? (Choose three.)

A : SHOW CREATE TABLE Country;

B : SHOW ENGINE Country STATUS;

C : SHOW TABLE STATUS LIKE ‘Country’;

D : SELECT ENGINE FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME= ‘Country’;

E : SELECT ENGINE FROM INFORMATION_SCHEMA.ENGINES WHERE TABLE_NAME= ‘Country’;

Answer: A,C,D

Page: 1 / 79

Total 392 Questions | Updated On: Mar 11, 2026

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