Exam Name: MySQL 2021 Implementation Essentials
Certification Provider: Oracle
Corresponding Certification: Oracle MySQL
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Check Updated on: Oct 02, 2026
No. of Questions: 78 Questions & Answers with Exam Engine
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Oracle 1Z1-921 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Database Design and Development | - Data types and normalization - Schema design principles |
| Topic 2: Backup, Recovery, and Replication | - Backup strategies - Replication concepts and configuration |
| Topic 3: MySQL Architecture and Installation | - MySQL server architecture - Installation and configuration |
| Topic 4: Security and User Management | - User accounts and privileges - Authentication plugins (PAM, AD integration) |
| Topic 5: Data Management and SQL Operations | - Indexing and optimization basics - SQL queries and DML operations |
| Topic 6: Monitoring and Troubleshooting | - Performance monitoring - Basic troubleshooting techniques |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
You just installed MySQL by Using a Package Manager on Linux.
Where are the default InnoDB redo log files stored?
- A. /usr/mysql
- B. /usr/bin/logs
- C. /var/lib/mysql/innodb
- D. /usr/redo
- E. /etc/my.cnf
- F. /var/lib/mysql
Correct Answer: D 🗳️
You get a maintenance-notification about your MySQL Enterprise Edition in Oracle Cloud Infrastructure (OCI) Compute instance. What is re the implication?
- A. Depending on the planned outage, you may not be affected by it. You need to read the maintenance details in the support notice.
- B. You can expect an outage of your MySQL OCI instance during the planned time..
- C. You need to agree to the maintenance windows. If not, you are not affected by the outage.
- D. There are no maintenance operations planned. You need to do them manually.
Correct Answer: B 🗳️
Which component of MySQL Enterprise Monitor provides trend analysis and capacity planning for MySQL databases?
Response:
- A. MySQL Advisors
- B. MySQL Query Analyzer
- C. MySQL Dashboard
- D. Query Analyzer
Correct Answer: B 🗳️
What is true about MySQL Enterprise Transparent Data Encryption (TDE)?
- A. Encryption key is stored in a centralized key memory location
- B. Data is encrypted automatically, in real time, after it is written to storage.
- C. Tablespace keys are managed manually behind the scenes.
- D. Enables data-at-rest encryption by encrypting the physical files of the database.
Correct Answer: D 🗳️
How would you restrict a user Joe from accessing all MySQL database objects?
- A. Insert Joe,s name into the mysql.user_restriction cable, and issue the FLUSH PRIVILEGES command.
- B. UPDATE mysql.user SET Password=PASSWORD(,Invalid,) WHERE User=,joe';
- C. REVOKE ALL PRIVILEGES, GRANT OPTION FROM ,joe,@,%,;
- D. CREATE USER , joe,@1' %' DENY ALL PRIVILEGES
- E. CREATE USER ,joe'@,0.0.0.0, SET Password=PASSWORD(,% ! %,)
Correct Answer: A 🗳️
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