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Oracle 1Z0-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which statement would you use to remove the population column from the city table?

A) ALTER TABLE city DELETE population;
B) DELETE population FROM city;
C) ALTER TABLE city DROP population;
D) DROP population FROM city;
E) ALTER TABLE city LESS population;

2. Which component of MySQL Enterprise Monitor provides trend analysis and capacity planning for MySQL databases?
Response:

A) MySQL Dashboard
B) MySQL Query Analyzer
C) Query Analyzer
D) MySQL Advisors

3. You have three machines with MySQL Databases running on Linux platform.
Which backup procedures would allow online and remote backup of the MySQL Database on the three machines to a connected Storage NFS?

A) 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Enterprise Backup on machine which is used to start the backup.3. Start mysqlbackup on only one machine with the installation to back up the databases for the three machines to the mounted volume using - -backup-dir and by giving--hosts=machine1:port1, machine2:port2, machine3:port3.4. Validate the backups using the mysqlbackup program to ensure that the backups created are valid.
B) 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Enterprise Backup on all three machines.3. Start mysqlbackup on all machines to back up the database to the mounted volume using - -backup-dir.4. Validate the backup using the mysqlbackup program to ensure that the backup created is valid.
C) 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Enterprise Backup on the machine that is used to start the backup.3. Start mysqlbackup on only one machine with the installation to back up the databases for the three machines to the mounted volume using - - backup-dir and by specifying -- config-files=my1.cnf, my2.cnf, my3.cnf.my1.cnf, my2cnf, and my3.cnf are the MySQL Database Configuration files on the three machines.4. Validate the backup by using the mysqlbackup program to ensure that the backup created is valid.
D) 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Workbench on a separate machine, which is used to connect to the three machines to back up and restore.3. Startup MySQL backup from MySQL Workbench to back up the three databases.4. Validate the backup by using MySQL Workbench to ensure that the backup created is valid.

4. Which two statements about the download of MySQL Enterprise Backup are correct?

A) MySQL Enterprise Backup is a separate package from MySQL Enterprise Edition. It can be downloaded from https://edelivery.oracle.com.
B) MySQL Enterprise Backup comes with MySQL Utilities Package, which is available for download publicly on http://www.mysql.com.
C) MySQL Enterprise Backup comes with all MySQL editions including community edition.
D) MySQL Enterprise Backup can be downloaded from My Oracle Support (MOS).
E) MySQL Enterprise Backup comes with MySQL Connector and is freely available for download.

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

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

Solutions: