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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. You have a backup image file that is backed up using MySQL Enterprise Backup with the -compress option:
/home/mysq1/backup/full/mybackup/myimage. Img

You are required to perform a database restore to a new machine to provision the database. Which command can provision the new database in the datadir as /home/mysql/data/MEB?

A)

B)

C)

D)

E)

2. Which statement adds a column with the largest integer data type?

A) ALTER TABLE SCIENTIFIC ADD scientific_value BIGINT;
B) ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(10,10);
C) ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(15,10);
D) ALTER TABLE SCIENTIFIC ADD scientific_value INTEGER;

3. The user -os-user'@"localhost" was created to monitor connections and shut down the server, and was granted these privileges:
GRANT PROCESS, SHUTDOWN ON *.* TO "OS-user*@"localhost';
Which three are commands that the os-user can execute?

A) SHOW STATUS;
B) GRANT PROXY
C) SHOW PROCESSLIST;
D) SHUTDOWN
E) KILL PROCESS;
F) SHOW BINLOG EVENTS;

4. The replication for a Master and Slave MySQL Servers is up and running. The disk space for Master Server is continuously growing. The binlog size keeps growing. Which two methods can fix the issue?

A) On the Master server, disable binlog by removing the --log-bin option.
B) To safely purge binary log files, perform these steps:
C) Execute the purge binary logs statement without argument.
D) Set the expire_logs_days system variable to expire binary log files automatically after a given number of days.
E) Delete all binlog files manually on the file system to release storage spaces.

5. How would you restrict a user Joe from accessing all MySQL database objects?

A) CREATE USER ,joe'@,0.0.0.0, SET Password=PASSWORD(,% ! %,)
B) Insert Joe,s name into the mysql.user_restriction cable, and issue the FLUSH PRIVILEGES command.
C) REVOKE ALL PRIVILEGES, GRANT OPTION FROM ,joe,@,%,;
D) CREATE USER , joe,@1' %' DENY ALL PRIVILEGES
E) UPDATE mysql.user SET Password=PASSWORD(,Invalid,) WHERE User=,joe';

Solutions: