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Updated: Aug 15, 2026
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Oracle 1Z1-921 Exam Overview:
| Certification Vendor: | Oracle |
| Exam Name: | MySQL 2021 Implementation Essentials |
| Exam Number: | 1Z0-921 |
| Passing Score: | 60%-63% |
| Related Certifications: | MySQL 2021 Certified Implementation Specialist |
| Available Languages: | English |
| Exam Format: | Multiple Choice |
| Exam Duration: | 90-120 |
| Exam Price: | $245 USD |
| Certificate Validity Period: | Oracle certifications typically do not expire |
| Real Exam Qty: | 52-70 |
| Sample Questions: | Oracle 1Z1-921 Sample Questions |
| Exam Way: | Online proctored or Pearson VUE test center |
| Pre Condition: | No mandatory prerequisite exams. Basic MySQL database administration and SQL knowledge recommended. |
| Official Syllabus URL: | https://education.oracle.com/mysql-2021-implementation-essentials/pexam_1Z0-921 |
Oracle 1Z1-921 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| MySQL Security | - Security Management
|
| Leverage MySQL Backup | - Backup and Recovery
|
| MySQL Kubernetes | - Kubernetes Operations
|
| Database Design | - Database Objects and SQL
|
| High Availability and Replication | - Replication and Scalability
|
| Leverage MySQL Enterprise Monitor | - Enterprise Monitor Features
|
| Installation and Architecture | - MySQL Infrastructure Architecture
|
| MySQL Database Service and HeatWave | - Cloud Database Services
|
| Oracle MySQL Enterprise Product Suite | - Enterprise Edition and Community/Standard Edition
|
Oracle MySQL 2021 Implementation Essentials Sample Questions:
1. You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH) For accessing a new MySQL Enterprise Edition on an Oracle Cloud Infrastructure (OCI) Instance you " Add SSH key " information during the OCI instance setup. You want to use Putty from your Windows Client to install MySQL.
What are the correct steps to accomplish this?
A) Open Port 22 on your OCI Instance and convert the private key to ppk format. This new private key can be used for authentication.
B) Convert the private key to ppk format first and use the new private key for authentication.
C) Use the provided private key for authentication.
D) Open Port 22 on your OCI Instance and configure Putty with the ssh private key.
2. The replication for a Master and Slave MySQL Servers is up and running. The disk space for Master Server is continuously growing. The binlog size keeps growing. Which two methods can fix the issue?
A) Set the expire_logs_days system variable to expire binary log files automatically after a given number of days.
B) On the Master server, disable binlog by removing the --log-bin option.
C) Delete all binlog files manually on the file system to release storage spaces.
D) To safely purge binary log files, perform these steps:
E) Execute the purge binary logs statement without argument.
3. Which is true about inserting an additional line in a single document stored in MySQL document store?
A) You specify the new element,s position in the JSON_ARRAY_INSERT statement.
B) Any new lines can only be inserted at the end of the document.
C) You cannot insert a single line, you have to replace the entire document with a new document.
D) The path specified must be an array position past the end of an array using the JSON_POSITION statement.
4. When using an Oracle Cloud Infrastructure Compute Instance with MySQL Enterprise Edition installed, you have two choices for backup destinations. What are these two choices?
A) Flash-archive recovery area
B) Cloud tape library
C) Cloud storage only
D) Both Cloud storage and local storage
5. 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 BIGINT;
D) ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(10,10);
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A,D | Question # 3 Answer: A | Question # 4 Answer: C,D | Question # 5 Answer: C |
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