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 08, 2026

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Question 1

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 2

You enable binary logging on MySQL Server with the configuration: binlog-format=STATEMENT log-bin

Which database updates are logged on the master server to the binary log by default?

A : all updates except to the TEMPDB database

B : all updates except to the PERFORMANCE_SCHEMA database

C : all updates not involving temporary tables

D : all updates to the default database, except temporary tables

E : all updates to all databases

Answer: A

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

You have forgotten the root user account password. You decide to reset the password and execute:

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Which additional argument makes this operation safer?

A : --old-passwords, to start MySQL to use the old password format while running without the grant tables.

B : --reset-grant-tables, to start the server with only the mysql database accessible.

C : --read-only, to set all data to read-only except for super users

D : --skip-networking, to prohibit access from remote locations

Answer: D

Question 5

You want to create a temporary table named OLD_INVENTORY in the OLD_INVENTORY database on the master server. This table is not to be replicated to the slave server.

Which two changes would ensure that the temporary table does not propagate to the slave? (Choose two.)

A : Set binlog_format=MIXED with the –replicate-ignore-temp-table option.

B : Use the –replicate-do-db, –replicate-do-table, or –replicate-wild-do-table option with the value equal to OLD_INVENTORY.

C : Change the binlog_format option to ROW and restart mysqld before you create the OLD_INVENTORY table.

D : Stop SQL_THREAD on the slave until you have finished using the OLD_INVENTORY temporary table.

E : Use the –replicate-ignore-table option with the value equal to OLD_INVENTORY.OLD_INVENTORY and restart mysqld before creating the temporary table.

Answer: A,C

Page: 1 / 79

Total 392 Questions | Updated On: Mar 08, 2026

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