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Oracle MySQL 2021 Implementation Essentials Sample Questions:

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

2. An existing MySQL Database environment has been doing backup and restore in a logical way by using the mysq1dump and mysq1 client utilities. When the backup is started using mysqldump with single-transaction mode, the existing application has long wait time. When the restore is required, it takes more than three hours to restore.
What two are benefits of using mysqlbackup from MySQL Enterprise Backup in this situation?

A) mysqlbackup from MySQL Enterprise Backup allows logical backup with concurrency built in to get faster backup speed and restoration speed.
B) MySQL Enterprise Backup does not back up system data so that it is much faster.
C) MySQL Enterprise Backup provides tape backup integration by default. It has the virtual tape option, which allows backup to tape device directly without extra third-party software integration.
D) mysqlbackup can back up tables with the InnoDB engine without blocking. The backup is hot with InnoDB. Together with Incremental Backup, mysqlbackup from MySQL Enterprise Backup shortens the backup windows.
E) mysqlbackup utilities dump the full database into a SQL file, which is imported into the mysql client in single-thread mode. mysqlbackup restores data from physical backups. Physical backup methods are faster than logical methods because they involve only file coping without conversion.

3. What SQL keyword must be specified when creating a foreign key constraint?

A) a REFERENCES in the child table to the parent table
B) a TRIGGER on the child table for cascading delete statements
C) the SET_FOREGIN variable in the my .cnf file
D) unique PRIMARY key values for both child and parent tables
E) an index on the foreign key

4. You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH).
When accessing a new MySQL Enterprise Edition Oracle Cloud Infrastructure (OCI) instance, you want to use MySQL Enterprise Workbench for SQL and remote management.
What are two ways to successfully configure Workbench based on the MySQL access credentials?

A) Convert the private key to ppk format first. Based on TCP/IP over SSH and based on the created private key, opc-user, and MySQL access credentials, you can access the MySQL CS instance.
B) Configure the MySQL Router first and based on those settings, you access your MySQL CS instance.
C) Open the MySQL OCI instance access port 3306. For the MySQL connection, you use this port, and, in addition, you configure the remote management based on SSH based on the provided key.
D) Configure TCP/IP over SSH and based on the created private key, opc-User, and MySQL access credentials, you can access the MySQL OCI instance.

5. Which three statements are true about MySQL Enterprise Backup?

A) It cannot back up encrypted tablespaces.
B) It provides the ability to create incremental backups.
C) It performs logical backups.
D) It enables you to take non-locking backups.
E) It performs hot or warm backups.

Solutions: