Try and practice the latest Oracle : 1Z0-921 real questions & answers
Updated: Sep 07, 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 Format: | Multiple Choice Questions, Scenario-based Questions |
| Available Languages: | English |
| Related Certifications: | MySQL 8.0 Database Administrator MySQL Implementation Associate |
| Real Exam Qty: | 60-80 (varies by exam version) |
| Exam Duration: | 120 minutes |
| Recommended Training: | Oracle MySQL Training (Oracle University) |
| Exam Registration: | Pearson VUE Oracle Exams Oracle Certification Registration |
| Sample Questions: | Oracle 1Z0-921 Sample Questions |
| Exam Way: | Online proctored or test center (Oracle Pearson VUE delivery) |
| Pre Condition: | No formal prerequisite; basic MySQL and database knowledge recommended |
| Official Syllabus URL: | https://education.oracle.com/ |
Oracle 1Z0-921 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Security and User Management | - Authentication plugins (PAM, AD integration) - User accounts and privileges |
| Backup, Recovery, and Replication | - Backup strategies - Replication concepts and configuration |
| MySQL Architecture and Installation | - MySQL server architecture - Installation and configuration |
| Monitoring and Troubleshooting | - Performance monitoring - Basic troubleshooting techniques |
| Database Design and Development | - Data types and normalization - Schema design principles |
| Data Management and SQL Operations | - Indexing and optimization basics - SQL queries and DML operations |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
Question 1
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. MySQL Workbench and MySQL Enterprise Firewall
D. SQL Enterprise Monitor and MySQL Enterprise Authentication
Question 2
Which statement adds a column with the largest integer data type?
A. ALTER TABLE SCIENTIFIC ADD scientific_value INTEGER;
B. ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(15,10);
C. ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(10,10);
D. ALTER TABLE SCIENTIFIC ADD scientific_value BIGINT;
Question 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 comes with all MySQL editions including community edition.
C. MySQL Enterprise Backup comes with MySQL Utilities Package, which is available for download publicly on http://www.mysql.com.
D. MySQL Enterprise Backup can be downloaded from My Oracle Support (MOS).
E. MySQL Enterprise Backup comes with MySQL Connector and is freely available for download.
Question 4
Which three options are valid reasons for using a primary key in a table?
A. exporting data faster with mysqldump
B. increasing performance when using select statements
C. automatic storage of data in a sorted order
D. preventing duplicate keys
E. maintaining a history of row insertions or updates
F. to make it easier to change the PRIMARY KEY value
Question 5
Which MySQL Enterprise Edition plug-in replaces real values with substitutes?
A. MySQL Enterprise Data Masking and De-identification
B. MySQL Enterprise Transparent Data Encryption (TDE)
C. MySQL Enterprise Audit
D. MySQL Enterprise Scalability
E. MySQL Enterprise No-Login Authentication
Solutions:
| Question 1 Answer: D | Question 2 Answer: D | Question 3 Answer: A,B | Question 4 Answer: A,B,D | Question 5 Answer: A |
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