Exam Name: MySQL 2021 Implementation Essentials
Certification Provider: Oracle
Corresponding Certification: Oracle MySQL
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Updated: Sep 26, 2026
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Oracle 1Z0-921 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| MySQL Database Service and HeatWave | - Cloud Database Services
|
| Installation and Architecture | - MySQL Infrastructure Architecture
|
| MySQL Security | - Security Management
|
| Leverage MySQL Backup | - Backup and Recovery
|
| Leverage MySQL Enterprise Monitor | - Enterprise Monitor Features
|
| High Availability and Replication | - Replication and Scalability
|
| MySQL Kubernetes | - Kubernetes Operations
|
| Database Design | - Database Objects and SQL
|
| Oracle MySQL Enterprise Product Suite | - Enterprise Edition and Community/Standard Edition
|
Oracle MySQL 2021 Implementation Essentials Sample Questions:
An Oracle Cloud Infrastructure customer already has many database instances configured and running in the cloud; however, they are reporting that they are unable to create any more instances.
What could be the problem?
- A. The customer reached the database instance limit of 32.
- B. The customer has not kept up with their patching requirements; new instances cannot be created unless the majority or the template of existing instances are up-to-date.
- C. The customer account might have reached resource quota/limits.
- D. The customer does not have proper user rights.
Correct Answer: A 🗳️
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. On the Master server, disable binlog by removing the --log-bin option.
- B. To safely purge binary log files, perform these steps:
- C. Execute the purge binary logs statement without argument.
- D. Set the expire_logs_days system variable to expire binary log files automatically after a given number of days.
- E. Delete all binlog files manually on the file system to release storage spaces.
Correct Answer: B,D 🗳️
The MySQL Replication Environment (Master and Slave) is prepared.
What two are options for connecting a Java application to the MySQL Master and Slave?
- A.
- B.
- C.
- D.
Correct Answer: D 🗳️
Which features of MySQL Enterprise Edition should you use to proactively monitor and track data changes in your databases?
- A. MySQL Audit and MySQL Workbench
- B. MySQL Enterprise Monitor and MySQL Audit
- C. SQL Enterprise Monitor and MySQL Enterprise Authentication
- D. MySQL Workbench and MySQL Enterprise Firewall
Correct Answer: C 🗳️
You are testing a new application and want to use data masking but the database is empty. What option will generate dummy data for you to use for testing?
- A. Use mysqldump to import data from the sakila_dummy database sample data set.
- B. Use MySQL Enterprise High Availability to access one of the available data tables
- C. Alter the table with the statement: ALTER TABLE IMPORT DATA WITH data_masking plugin;
- D. Execute the sakila-data. sqi script to populate the database
Correct Answer: C 🗳️
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