Free Access Oracle.1Z0-888.v2022-08-02.q167 Practice Test (Page 5)

Question 16

You have created a new user with this statement:
CREATE USER `erika'@'localhost' IDENTIFIED BY `first#1Pass' PASSWORD EXPIRE; What is the outcome?

A.When `erika'@'localhost' tries to log in with the MySQL command-line client, the user will have to change the password before seeing the mysql> prompt.

B.When `erika'@'localhost' tries to log in with the MySQL command-line client, the user will not be permitted to log in because the password is expired.

C.When `erika'@'localhost' tries to log in with the MySQL command-line client, the user will be permitted to log in but will not be able to issue ant statements until the user changes the password.

D.You receive a syntax error that indicates that you cannot set a password and expire it at the same time.

Question 17

After rebooting the host, you attempt to start the mysqldservice. You get the following error:
Can't start the server: Bind on TCP/IP port: Address already in use
What is the most likely cause of this error?

A.The /etc/hostsfile does not have a valid IP entry for mysqld localhost, so it is binding to
127.0.0.1, which is already in use.

B.The mysql.sockfile in the MySQL /tmpdirectory was not removed after the reboot, so mysqldstill thinks there is an active server running.

C.The network service process in the server is frozen, so all TCP/IPconnections are paused and cannot be reused.

D.The mysqlservice has already been started on the same port.

E.You failed to specify the port number 3306to the command to start the server, so it is defaulting to port
80, which is in use by the built-in web server.

Question 18

On a master server that is using statement-based replication, a table of log data has become very large.
You decide to delete 100,000 rows.
Which two methods can be independently invoked to ensure that the delete is properly propagated to the slave? (Choose two.)

A.Change the replication mode to MIXEDbefore issuing any delete statements when the LIMITclause is used.

B.If the data modification is non-deterministic, the query optimizer will resolve any potential issues.

C.Use the LIMITclause to limit the deletion to 100,000 rows.

D.Use the LIMITclause in conjunction with the ORDER BYclause.

Question 19

What is the order of tables shown in an EXPLAIN output?

A.It lists tables from the smallest to the largest.

B.It lists tables in the order in which their data will be read.

C.It lists tables from the most optimized to the least optimized.

D.It lists tables in the order in which they are specified in the statement that is being explained.

Question 20

Examine the mysqldumpslow output:

Which two options could explain the slow query? (Choose two.)

A.There are 108 queries still being executed.

B.A full table scan is being used.

C.There is network congestion between client and server.

D.No index has been defined on the filtered column.

E.A table lock is causing delays.

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Question 16

Question 17

Question 18

Question 19

Question 20

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