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Oracle MySQL 2021 Implementation Essentials Sample Questions:
1. Which statement will display the status of the partitioning plug-in?
A) SHOW PLUGINS WHERE Name= 'partition';
B) USE SYS SCHEMA; SHOW PLUGINS STATUS;
C) SELECT PLUGIN_NAME, PLUGIN_VERSION, PLUGIN_STATUS FROM INFOMRATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME= 'partition';
D) SHOW STATUS PLUGINS WHERE Name= 'PARTITIONING';
2. 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) 
3. 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 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.
B) 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.
C) MySQL Enterprise Backup does not back up system data so that it is much faster.
D) 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.
E) mysqlbackup from MySQL Enterprise Backup allows logical backup with concurrency built in to get faster backup speed and restoration speed.
4. The slave connects to the master and asks for updated records. What command was issued for this to happen?
A) RUN SLAVE
B) SLAVE RUN
C) SLAVE START
D) START SLAVE
E) START RUN SLAVE
5. You are using the innoDB engine and the innodb_f ile_per_table option is set.
You delete a significant number of rows of a large table named inventory and issue the command optimize table inventory.
What will happen to the inventory table?
A) The table storage space will be reduced.
B) The table will be checked for errors and repaired.
C) The table statistics will be stored.
D) The table will be optimized and replicated.
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: D | Question # 3 Answer: A,E | Question # 4 Answer: C | Question # 5 Answer: D |


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