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Which statement describes how the relay log works?

Awhen a slave receives a change from the master, it is processed first, and then recorded in the relay log.

BIt maintains a record of available master binary logs and the current executed log position.

CIt stores changes on the master, and relays them to the slave.

DWhen a slave receives a change from the master, it is recorded in the relay log first and processed later.

Correct Answer: 1

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

q2_1Z0-888

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

Correct Answer: 2

The MySQL user 'adam' currently has USAGE permissions to the database.

The football database is transactional and has non-stop updates from application users. The 'adam' user needs to be able to take consistent backups of the football database by using the ---single-transaction option.

Which extra GRANT permissions are required for adam to take mysqldump backups?

AThe 'adam' user must also have SINGLE TRANSACTION global grant to take a consistent backup.

BThe 'adam' user needs the PROCESS privilege to be able to take a consistent backup while other users are connected.

CThe 'adam' user must have the SUPER privilege in order to take data backups.

DThe 'adam' user must also have SELECT on the football database for backup to work.

Correct Answer: 3

Consider:

q4_1Z0-888

Which statement best describes the meaning of the values in the ref columns?

Aworld.City.CountryCode is used as the primary key for the Country table.

BNo indexed columns are used to select rows from the City table. The world.City.CountryCode column is used to select rows in the Country table.

Cworld.City.CountryCode is used to sort the rows in the City table.

DNo indexed columns are used to select rows from the Country table. The world.City.CountryCode column is used to select rows in the City table.

Correct Answer: 4

Which MySQL utility copies the master instance to a slave instance on the same host?

Correct Answer: 5

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