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Oracle 1Z0-921 Certification Exam is designed to validate the understanding of key database concepts, using the correct syntax to create and manage database objects, tuning of the MySQL database for optimal performance, configuring replication, security and troubleshooting techniques. MySQL 2021 Implementation Essentials certification recognizes the skill sets of professionals who have implemented and managed MySQL Server.

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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q53-Q58):

NEW QUESTION # 53
Which statement would you use to remove the population column from the city table?

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

Answer: A

NEW QUESTION # 54
The replication for a Master and Slave MySQL Servers is up and running. The disk space for Master Server is continuously growing. The binlog size keeps growing. Which two methods can fix the issue?

A. Delete all binlog files manually on the file system to release storage spaces.
B. On the Master server, disable binlog by removing the --log-bin option.
C. Set the expire_logs_days system variable to expire binary log files automatically after a given number of days.
D. Execute the purge binary logs statement without argument.
E. To safely purge binary log files, perform these steps:

Answer: C,E

NEW QUESTION # 55
You want to create an encrypted table. So, you enter this command:
CREATE TABLE 'test_encryption2% (
'id' int(10) unsigned NOT NULL AUTO_INCREMENT,
'server_name' varchar(15) NOT NULL,
PRIMARY KEY ('id') ) ENGINE=MYISAM AUTO_INCREMENT=l DEFAULT CHARSET=latin1 ENCRYPTION = 'Y1; You receive the following error:
ERROR 1031 (HY000): Table storage engine for 'test_encryption2' doesn't have this option Which statement correctly explains the reason for this error?

A. You cannot use the AUTO_INCREMENT option to create an encrypted table. This is what is causing the error.
B. The test_encryption2 already exist. You are not using the correct option to recreate it and it is causing the error.
C. The encryption feature only works with InnoDB tables. You are creating a MylSAM table, and it is causing the error.
D. The term "server_name" is a reserved MySQL term. You cannot use it for the new table. This is what is causing the error.

Answer: C

NEW QUESTION # 56
Which component of MySQL Enterprise Monitor provides trend analysis and capacity planning for MySQL databases?
Response:

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

Answer: D

NEW QUESTION # 57
The MySQL Enterprise Monitor Agent requires a user configured in each MySQL instance that is being monitored with suitable privileges to collect information about the server.
Which statement is correct?

A. Monitoring metrics need super and root privileges because they are not available for a less-privileged user.
B. The super privilege is required when creating and populating the inventory table, as well as running statements such as show master logs or SHOW ENGINE INNODB STATUS.
C. The super privilege is required when starting, stopping, or restarting monitored MySQL databases.
D. MySQL Enterprise Monitor creates the required users automatically.

Answer: B

NEW QUESTION # 58
......

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100% Pass 2025 Oracle 1Z0-921: Trustable MySQL 2021 Implementation Essentials Exam Questions And Answers

100% Pass Oracle - 1Z0-921 - High Hit-Rate MySQL 2021 Implementation Essentials Exam Questions And Answers

Oracle MySQL 2021 Implementation Essentials Sample Questions (Q53-Q58):

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