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MySQL Database Administration 1z0-888 Passing Score

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Total 124 questions

MySQL 5.7 Database Administrator Questions and Answers

Question 9

You are no longer able to log in to an existing MySQL Server because the root password credentials not working. You need to reset the root password to complete various administrative tasks. What are the two major methods that will achieve this? (Choose two.)

Options:

A.

Start the MySQL Server in --safe-mode, which only loads the privilege system for changes as data is inaccessible.

B.

Start the MySQL Server with reset-root-password in my.cnf, which will prompt you to enter a new root user password.

C.

Start the MySQL Server with --init-file pointing to SQL that executes an ALTER USER statement to change the root user password.

D.

Start the MySQL Server with --skip-grant-tables and execute SQL, which will update the root password.

E.

Start the MySQL Server with –initialize-insecure to force a password reset procedure on the command line.

Question 10

Which three allocate memory per thread in MySQL? (Choose three.)

Options:

A.

query cache

B.

thread cache

C.

read buffer

D.

internal temporary table

E.

sort buffer

F.

InnoDB buffer pool instance

Question 11

Which statement is true about using Microsoft Windows Cluster as a platform for MySQL?

Options:

A.

It relies on the shared disk architecture being visible to both servers.

B.

It is provided by means of IP-level disk replication.

C.

It implements High Availability by using the .NET Connector’s load balancing capabilities.

D.

It is a shared-nothing architecture.

Question 12

Consider:

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

Options:

A.

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

B.

No 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.

C.

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

D.

No 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.

Page: 3 / 5
Total 124 questions