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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. An Oracle Cloud Infrastructure customer already has many database instances configured and running in the cloud; however, they are reporting that they are unable to create any more instances.
What could be the problem?

A) The customer reached the database instance limit of 32.
B) The customer has not kept up with their patching requirements; new instances cannot be created unless the majority or the template of existing instances are up-to-date.
C) The customer does not have proper user rights.
D) The customer account might have reached resource quota/limits.

2. Which statement will display the status of the partitioning plug-in?

A) USE SYS SCHEMA; SHOW PLUGINS STATUS;
B) SELECT PLUGIN_NAME, PLUGIN_VERSION, PLUGIN_STATUS FROM INFOMRATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME= 'partition';
C) SHOW PLUGINS WHERE Name= 'partition';
D) SHOW STATUS PLUGINS WHERE Name= 'PARTITIONING';

3. You set up a compressed full backup file from mysqlbackup by using the --compress option for MySQL Database backup. You are required to restore the database and apply the log.
Which two options should you add to the mysqlbackup to achieve the restoration of the database?

A) --decompress
B) --apply-log-and-copy-back
C) --uncompress
D) --copy-back-and-apply-log
E) --uncompress-and-apply-log

4. Consider this SQL statement which is using the innoDB storage engine and with global AUTOCOMMIT = 1:

What is the result after issuing the rollback command?

A) Only the t1 table is created.
B) Only the t2 table is created.
C) Both the tables, t1 and t2, are created.
D) Both the tables, t1 and t2, are not created because there is an explicit ROLLBACK.

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

Solutions: