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Oracle 1Z0-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which three are requirements for MySQL Group Replication (GR)?

A) GR only works with MySQL versions 8.0.12 or higher.
B) The binary log format must be set to mixed.
C) Data to be replicated must be stored in the InnoDB transactional storage engine.
D) The minimum number of required nodes for achieving a consensus is two.
E) The use of global transaction identifiers is required.
F) Primary keys are required on every replicated table.

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

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

3. 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 can be downloaded from My Oracle Support (MOS).
C) MySQL Enterprise Backup comes with MySQL Utilities Package, which is available for download publicly on http://www.mysql.com.
D) MySQL Enterprise Backup comes with all MySQL editions including community edition.
E) MySQL Enterprise Backup comes with MySQL Connector and is freely available for download.

4. 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';

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) GRANT PROXY
C) SHOW PROCESSLIST;
D) SHUTDOWN
E) SHOW BINLOG EVENTS;
F) SHOW STATUS;

Solutions: