Exam Name: MySQL 2021 Implementation Essentials
Certification Provider: Oracle
Corresponding Certification: Oracle MySQL
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- Total Questions: 78
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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: | 120 minutes |
| Available Languages: | English |
| Real Exam Qty: | 60-80 (varies by exam version) |
| Exam Format: | Scenario-based Questions, Multiple Choice Questions |
| Related Certifications: | MySQL 8.0 Database Administrator MySQL Implementation Associate |
| Recommended Training: | Oracle MySQL Training (Oracle University) |
| Exam Registration: | Oracle Certification Registration Pearson VUE Oracle Exams |
| Sample Questions: | DOWNLOAD DEMO |
| 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 |
|---|---|
| Monitoring and Troubleshooting | - Basic troubleshooting techniques - Performance monitoring |
| 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 | - Installation and configuration - MySQL server architecture |
| Data Management and SQL Operations | - SQL queries and DML operations - Indexing and optimization basics |
| Database Design and Development | - Data types and normalization - Schema design principles |
Oracle MySQL 2021 Implementation Essentials Materials That Go Where You Go
- MySQL Architecture and Installation ()
- Monitoring and Troubleshooting ()
- Security and User Management ()
Oracle MySQL 2021 Implementation Essentials Sample Questions:
You set up a compressed full backup file from mysqlbackup by using the --compress option for MySQL Database backup. You are required to restore the database and apply the log.
Which two options should you add to the mysqlbackup to achieve the restoration of the database?
- A. --copy-back-and-apply-log
- B. --apply-log-and-copy-back
- C. --decompress
- D. --uncompress
- E. --uncompress-and-apply-log
Correct Answer: A,D 🗳️
You just installed MySQL by Using a Package Manager on Linux.
Where are the default InnoDB redo log files stored?
- A. /etc/my.cnf
- B. /var/lib/mysql
- C. /usr/mysql
- D. /var/lib/mysql/innodb
- E. /usr/redo
- F. /usr/bin/logs
Correct Answer: E 🗳️
Which three are characteristics of the JSON data type?
- A. Comparisons of JSON values are not case-sensitive.
- B. A set of SQL functions substantially support the SQL utilization of the data type.
- C. It supports indexing directly against the JSON-defined column.
- D. It validates the JSON syntax on insert or merge.
- E. Key or array references enable quick read-access to look up document elements directly.
- F. It is based on the TEXT data type.
Correct Answer: C,D,E 🗳️
After installing MySQL 8.0, you initialize the data directory with the --initialize command. Which two are places where you can find the root password?
- A. The root_pw variable stored in the mysq1.install table.
- B. The root password displayed on the screen via a [warning] message.
- C. The root password inserted in the error log set by the --log-error=[file_name] variable
- D. The root password is not given and is blank. You must manually set the root password.
- E. As root, execute the show password command by using the SHA-256 password encryption plug-in.
Correct Answer: A,E 🗳️
The MySQL Enterprise Monitor Agent requires a user configured in each MySQL instance that is being monitored with suitable privileges to collect information about the server.
Which statement is correct?
- A. The super privilege is required when starting, stopping, or restarting monitored MySQL databases.
- B. MySQL Enterprise Monitor creates the required users automatically.
- C. Monitoring metrics need super and root privileges because they are not available for a less-privileged user.
- D. The super privilege is required when creating and populating the inventory table, as well as running statements such as show master logs or SHOW ENGINE INNODB STATUS.
Correct Answer: D 🗳️
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