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Exam Code: 1z0-888
Exam Title: MySQL 5.7 Database Administrator
Vendor: Oracle
Exam Questions: 124
Last Updated: July 3rd,2024

Question 1

Which MySQL utility program should you use to process and sort the Slow Query Log based on query time or average query time?

A. mysqldumpslow
B. mysqldump
C. mysqlaccess
D. mysqlshow
E. mysqlslow

Correct Answer:A

Question 2

Which three allocate memory per thread in MySQL?

A. query cache
B. thread cache
C. read buffer
D. internal temporary table
E. sort buffer
F. InnoDB buffer pool instance

Correct Answer:CEF

Question 3

One of your colleagues is trying to make a change using the mysql command-line client for his or her application session.
The colleague instant messages you this command: mysql> SET SESSION max_connections = 200; Why does the command fail?

A. max_connections requires the GLOBAL scope.
B. Its current user does not have the SUPER privilege.
C. max_connections is not a dynamic variabl
D. You need to change the config file and restart the database.
E. Users can control only the max_user_connections variabl

Correct Answer:A

Question 4

You are setting up a new installation of MySQL Server 5.7 (a GA release.) You have used a ZIP or TAR
package to ensure that the mysqld binary, along with its support files, such as plug-ins and error messages, now exist on the host. Assume that the default datadir exists on the host. You installed the binary in the default location (the default -- basedir value) for your operating system.
Which step should you perform before defining your own databases and database tables?

A. Execute a command with a minimal form of: mysql --initialize
B. Register mysqld as a service that will start automatically on this host machine.
C. Create a configuration file containing default-storage-engine=InnoDB.
D. Set an exception in the host machine’s firewall to allow external users to talk to mysqld.
E. Create additional login accounts (so that everyone does not need to log in as root) and assign them appropriate privileges.

Correct Answer:C

Question 5

After rebooting the host, you attempt to start the mysqld service. 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 mysql service has already been started on the same port.
B. The network service process in the server is frozen, so all TCP/IP connections are paused and cannot be reused.
C. You failed to specify the port number 3306 to the command to start the server, so it is defaulting to port 80, which is in use by the built-in web server.
D. The /etc/hosts file does not have a valid IP entry for mysqld localhost, so it is binding to 127.0.0.1, which is already in use.
E. The mysql.sock file in the MySQL /tmp directory was not removed after the reboot, so mysqld still thinks there is an active server running.

Correct Answer:E