Free Access Oracle.1Z0-888.v2022-08-02.q167 Practice Test (Page 22)

Question 101

You attempt to connect to a MySQL Server by using the mysql client program. However, you receive this notice:

What would you run to fix the issue?

A.the mysql client with the --enable-cleartext-plugin option

B.the mysql_secure_installation script to update server security settings

C.the mysql_upgrade script

D.the install plugin command for the mysql_cleartext_password plugin

E.the mysql client with the --ignore-password-hashing option

Question 102

You are remotely logged in to MySQL as the user "backup".
The account has temporarily been granted full privileges WITH GRANT to perform the actions required.
You want to change the password for the locally existing "backup" user.
Select the three commands which will perform the required action. (Choose three.)

A.ALTER USER USER() IDENTIFIED BY 'password';

B.ALTER USER 'backup'@'localhost' IDENTIFIED BY 'password';

C.SET PASSWORD FOR 'backup'@'localhost' = 'password';

D.SET PASSWORD FOR 'backup'@'localhost' = PASSWORD ('password')

E.ALTER USER 'backup' IDENTIFIED BY 'password';

F.SET PASSWORD = 'password';

G.CREATE USER 'backup'@'localhost' IDENTIFIED BY 'password';

Question 103

Consider the join_buffer_sizeparameter in MySQL Server.
Which two statements are true about the join buffer?

A.The join buffer is global and can be changed only by restarting the server.

B.The join buffer is used to process sorts when complex joins are being performed.

C.The join buffer is set per connection.

D.The value should be increased from the default if the query joins large rows without using an index.

E.The value should be increased if the client performs several SELECToperations.

Question 104

Consider the table people with the definition:

The application uses a query such as:
SELECT * FROM people WHERE YEAR(Birthday) = 1980;
The query is not using an index.
Which two methods can be used to allow the query to use an index?

A.Execute ANALYZE TABLE to update the index statistics.

B.Add FORCE INDEX (Birthday) to the query.

C.Add a functional index for YEAR(Birthday).

D.Change the WHERE clause to Birthday BETWEEN 1980-01-01 AND 1980-12-31.

E.Add a generated column calculating YEAR(Birthday) and index that column.

Question 105

Which statement describes how the relay log works?

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

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

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

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

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