Learn with Oracle : 1Z1-921 training material for 100% pass
Updated: Sep 02, 2026
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Oracle 1Z1-921 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle MySQL 2021 Implementation Essentials |
| Exam Number: | 1Z0-921 |
| Available Languages: | English |
| Exam Duration: | 90 minutes |
| Exam Format: | Multiple Choice, Multiple Select |
| Exam Price: | USD $245 |
| Related Certifications: | Oracle MySQL Certified Professional |
| Passing Score: | 65% |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 52-78 |
| Recommended Training: | Oracle MySQL 2021 Implementation Training |
| Exam Registration: | Oracle University Registration Pearson VUE |
| Sample Questions: | Oracle 1Z1-921 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 1Z1-921 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Oracle MySQL Enterprise Product Suite | 10% | - Oracle products certified to work with MySQL Enterprise Edition - Differences between MySQL Enterprise Edition, Community Edition and Standard Edition - Products and features of MySQL Enterprise Edition |
| MySQL Enterprise Monitor | 10% | - Custom Advisors configuration - Architecture: Service Manager and Agents - Query Analyzer usage - Features and benefits |
| Installation and Architecture | 15% | - Install MySQL Enterprise Server - MySQL infrastructure architecture overview - Configure MySQL Enterprise Server settings |
| High Availability and Replication | 10% | - InnoDB Cluster deployment - GTID-based replication - High availability solutions overview - Replication concepts and setup |
| Database Design | 15% | - MySQL data types - MySQL Document Store - Basic SQL queries - Table partitioning - Create and manage databases and tables - Indexes, constraints and joins |
| MySQL Database Service and HeatWave | 10% | - Service overview and provisioning - HeatWave setup and usage - Monitoring and management - High availability configuration |
| MySQL Security | 20% | - MySQL Enterprise Firewall - MySQL Enterprise Audit - Authorization and privilege management - Data Masking and De-identification - Transparent Data Encryption (TDE) - Password policies and authentication |
| Backup and Recovery | 10% | - MySQL Enterprise Backup overview - Data import/export with MySQL Workbench - Install and configure backup - Backup encryption and compression |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
Question 1
An existing MySQL Database environment has been doing backup and restore in a logical way by using the mysq1dump and mysq1 client utilities. When the backup is started using mysqldump with single-transaction mode, the existing application has long wait time. When the restore is required, it takes more than three hours to restore.
What two are benefits of using mysqlbackup from MySQL Enterprise Backup in this situation?
A. mysqlbackup utilities dump the full database into a SQL file, which is imported into the mysql client in single-thread mode. mysqlbackup restores data from physical backups. Physical backup methods are faster than logical methods because they involve only file coping without conversion.
B. MySQL Enterprise Backup provides tape backup integration by default. It has the virtual tape option, which allows backup to tape device directly without extra third-party software integration.
C. mysqlbackup from MySQL Enterprise Backup allows logical backup with concurrency built in to get faster backup speed and restoration speed.
D. mysqlbackup can back up tables with the InnoDB engine without blocking. The backup is hot with InnoDB. Together with Incremental Backup, mysqlbackup from MySQL Enterprise Backup shortens the backup windows.
E. MySQL Enterprise Backup does not back up system data so that it is much faster.
Question 2
Which three are characteristics of the JSON data type?
A. Key or array references enable quick read-access to look up document elements directly.
B. A set of SQL functions substantially support the SQL utilization of the data type.
C. It is based on the TEXT data type.
D. Comparisons of JSON values are not case-sensitive.
E. It supports indexing directly against the JSON-defined column.
F. It validates the JSON syntax on insert or merge.
Question 3
What SQL keyword must be specified when creating a foreign key constraint?
A. the SET_FOREGIN variable in the my .cnf file
B. a TRIGGER on the child table for cascading delete statements
C. an index on the foreign key
D. a REFERENCES in the child table to the parent table
E. unique PRIMARY key values for both child and parent tables
Question 4
Which three installation options are available for installing the MySQL Enterprise Monitor/Agent on Linux?
A. A browser-based wizard to remotely deploy the MySQL Monitor Agent
B. A script (with an option file) for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database
C. A MySQL Enterprise Monitor to remotely deploy the MySQL Monitor Agent
D. A CLI-based wizard MySQL Enterprise Monitor, Agent, and a MySQL Repository database
E. A GUI for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database
Question 5
Which statement will display the status of the partitioning plug-in?
A. SELECT PLUGIN_NAME, PLUGIN_VERSION, PLUGIN_STATUS FROM INFOMRATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME= 'partition';
B. SHOW PLUGINS WHERE Name= 'partition';
C. SHOW STATUS PLUGINS WHERE Name= 'PARTITIONING';
D. USE SYS SCHEMA; SHOW PLUGINS STATUS;
Solutions:
| Question 1 Answer: A,C | Question 2 Answer: A,E,F | Question 3 Answer: B | Question 4 Answer: B,D,E | Question 5 Answer: A |
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