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Updated: Aug 12, 2026
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Oracle 1Z0-921 Exam Overview:
| Certification Vendor: | Oracle |
| Exam Name: | Oracle MySQL 2021 Implementation Essentials |
| Exam Number: | 1Z0-921 |
| Exam Duration: | 90 minutes |
| Passing Score: | 65% |
| Exam Price: | USD $245 |
| Related Certifications: | Oracle MySQL Certified Professional |
| Real Exam Qty: | 52-78 |
| Exam Format: | Multiple Choice, Multiple Select |
| Available Languages: | English |
| Certificate Validity Period: | 3 years |
| Recommended Training: | Oracle MySQL 2021 Implementation Training |
| Exam Registration: | Pearson VUE Oracle University Registration |
| Sample Questions: | Oracle 1Z0-921 Sample Questions |
| Exam Way: | Online proctored or onsite at authorized test centers |
| Pre Condition: | No mandatory prerequisites; recommended to have hands-on experience with MySQL Enterprise Edition |
| Official Syllabus URL: | https://education.oracle.com/exam-1z0-921-mysql-2021-implementation-essentials/pexam_1Z0-921 |
Oracle 1Z0-921 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: High Availability and Replication | 10% | - High availability solutions overview - Replication concepts and setup - InnoDB Cluster deployment - GTID-based replication |
| Topic 2: Oracle MySQL Enterprise Product Suite | 10% | - Oracle products certified to work with MySQL Enterprise Edition - Products and features of MySQL Enterprise Edition - Differences between MySQL Enterprise Edition, Community Edition and Standard Edition |
| Topic 3: MySQL Security | 20% | - Password policies and authentication - Data Masking and De-identification - MySQL Enterprise Firewall - Authorization and privilege management - MySQL Enterprise Audit - Transparent Data Encryption (TDE) |
| Topic 4: MySQL Database Service and HeatWave | 10% | - Service overview and provisioning - High availability configuration - HeatWave setup and usage - Monitoring and management |
| Topic 5: Database Design | 15% | - Basic SQL queries - MySQL Document Store - Table partitioning - Create and manage databases and tables - MySQL data types - Indexes, constraints and joins |
| Topic 6: Installation and Architecture | 15% | - Install MySQL Enterprise Server - Configure MySQL Enterprise Server settings - MySQL infrastructure architecture overview |
| Topic 7: Backup and Recovery | 10% | - Install and configure backup - Data import/export with MySQL Workbench - Backup encryption and compression - MySQL Enterprise Backup overview |
| Topic 8: MySQL Enterprise Monitor | 10% | - Query Analyzer usage - Architecture: Service Manager and Agents - Features and benefits - Custom Advisors configuration |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
1. The slave connects to the master and asks for updated records. What command was issued for this to happen?
A) RUN SLAVE
B) SLAVE START
C) START SLAVE
D) START RUN SLAVE
E) SLAVE RUN
2. You execute this statement:
SELECT NULL=NULL;
What is the result?
A) TRUE
B) FALSE
C) NULL
D) 1
E) 0
3. Which statement would you use to remove the population column from the city table?
A) ALTER TABLE city DELETE population;
B) ALTER TABLE city LESS population;
C) DROP population FROM city;
D) ALTER TABLE city DROP population;
E) DELETE population FROM city;
4. You get a maintenance-notification about your MySQL Enterprise Edition in Oracle Cloud Infrastructure (OCI) Compute instance. What is re the implication?
A) You can expect an outage of your MySQL OCI instance during the planned time..
B) There are no maintenance operations planned. You need to do them manually.
C) Depending on the planned outage, you may not be affected by it. You need to read the maintenance details in the support notice.
D) You need to agree to the maintenance windows. If not, you are not affected by the outage.
5. Which of the following statements is true regarding MySQL user account privileges?
Response:
A) The GRANT option allows a user to revoke privileges from other users.
B) The RELOAD privilege allows a user to delete data from a table.
C) The USAGE privilege allows a user to connect to the MySQL server but grants no other privileges.
D) A user with the SUPER privilege can only read data from the database.
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: C | Question # 3 Answer: D | Question # 4 Answer: A | Question # 5 Answer: C |
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