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Oracle 1Z1-921 exam : MySQL 2021 Implementation Essentials
- Exam Code: 1Z1-921
- Exam Name: MySQL 2021 Implementation Essentials
- Updated: Oct 28, 2026
- Q & A: 78 Questions and Answers
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Oracle 1Z1-921 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Oracle MySQL Enterprise Product Suite | - Enterprise Edition and Community/Standard Edition
|
| Topic 2: Database Design | - Database Objects and SQL
|
| Topic 3: Installation and Architecture | - MySQL Infrastructure Architecture
|
| Topic 4: MySQL Security | - Security Management
|
| Topic 5: MySQL Kubernetes | - Kubernetes Operations
|
| Topic 6: High Availability and Replication | - Replication and Scalability
|
| Topic 7: Leverage MySQL Enterprise Monitor | - Enterprise Monitor Features
|
| Topic 8: Leverage MySQL Backup | - Backup and Recovery
|
| Topic 9: MySQL Database Service and HeatWave | - Cloud Database Services
|
Oracle MySQL 2021 Implementation Essentials Sample Questions:
Which two statements are correct about MySQL Enterprise Edition?
- A. MySQL configuration can be changed in /etc/lib/myi.cnf.
- B. MySQL Enterprise Product Suite can be installed on an Oracle Cloud Infrastructure Virtual Cloud Network.
- C. Oracle offers 24x7, global support for MySQL Enterprise Edition products installed on Oracle Cloud Infrastructure Compute Instances.
- D. Oracle MySQL Enterprise tools & plugins are available as optional services (installation Feature Pack I/II).
- E. MySQL Enterprise Edition can be installed on an Oracle Cloud Infrastructure Compute Instance.
Correct Answer: A,D π³οΈ
You want to create the user named jenny for any host server with the password secretpassi23! and the password is expired? Which command should you use?
- A. CREATE USER ,jenny,@,localhost, IDENTIFIED BY (,SecretPass123!,,,256,, Expired)
- B. CREATE USER ,jenny,@,%, IDENTIFIED WITH sha256_password BY 'SecretPass123!,;
- C. CREATE USER ,jenny,@'%, WITH HASHED(password,,SecretPass123!,), PASSWORD EXPIRE
- D. CREATE USER ,jenny,0,%t IDENTIFIED BY ,SecretPass123!, PASSWORD EXPIRE;
- E. CREATE USER ,jenny *@,localhost, IDENTIFIED WITH HASH PASSWORD(,SecretPass123!,)
Correct Answer: A π³οΈ
You have a backup image file that is backed up using MySQL Enterprise Backup with the -compress option:
/home/mysq1/backup/full/mybackup/myimage. Img
You are required to perform a database restore to a new machine to provision the database. Which command can provision the new database in the datadir as /home/mysql/data/MEB?
- A.
- B.
- C.
- D.
- E.
Correct Answer: A π³οΈ
You are using the innoDB engine and the innodb_f ile_per_table option is set.
You delete a significant number of rows of a large table named inventory and issue the command optimize table inventory.
What will happen to the inventory table?
- A. The table will be checked for errors and repaired.
- B. The table will be optimized and replicated.
- C. The table statistics will be stored.
- D. The table storage space will be reduced.
Correct Answer: B π³οΈ
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;
Correct Answer: D π³οΈ
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