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Oracle 1Z0-921 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: MySQL Architecture and Installation | - MySQL server architecture - Installation and configuration |
| Topic 2: Data Management and SQL Operations | - Indexing and optimization basics - SQL queries and DML operations |
| Topic 3: Backup, Recovery, and Replication | - Replication concepts and configuration - Backup strategies |
| Topic 4: Monitoring and Troubleshooting | - Basic troubleshooting techniques - Performance monitoring |
| Topic 5: Security and User Management | - User accounts and privileges - Authentication plugins (PAM, AD integration) |
| Topic 6: Database Design and Development | - Schema design principles - Data types and normalization |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
Which three statements describe MySQL Enterprise Backup?
- A. MySQL Enterprise Backup can be used to send backups to Oracle Cloud Infrastructure Storage Service.
- B. MySQL Enterprise Backup is an optimized backup based on mysqldump with optimized row locking.
- C. MySQL Enterprise Backup offers backup based on Oracle RMAN with optimized row locking.
- D. MySQL Enterprise Backup provides the point-in-time recovery functionality.
- E. MySQL Enterprise Backup can be used to import/export data from on-premises MySQL installations.
Correct Answer: B,C,D 🗳️
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 CLI-based wizard MySQL Enterprise Monitor, Agent, and a MySQL Repository database
- D. A GUI for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database
- E. A MySQL Enterprise Monitor to remotely deploy the MySQL Monitor Agent
Correct Answer: B,C,D 🗳️
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 MySQL Enterprise tools & plugins are available as optional services (installation Feature Pack I/II).
- D. Oracle offers 24x7, global support for MySQL Enterprise Edition products installed on Oracle Cloud Infrastructure Compute Instances.
- E. MySQL Enterprise Edition can be installed on an Oracle Cloud Infrastructure Compute Instance.
Correct Answer: A,C 🗳️
Which statement adds a column with the largest integer data type?
- A. ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(15,10);
- B. ALTER TABLE SCIENTIFIC ADD scientific_value BIGINT;
- C. ALTER TABLE SCIENTIFIC ADD scientific_value INTEGER;
- D. ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(10,10);
Correct Answer: B 🗳️
You just installed MySQL by Using a Package Manager on Linux.
Where are the default InnoDB redo log files stored?
- A. /usr/bin/logs
- B. /var/lib/mysql/innodb
- C. /etc/my.cnf
- D. /usr/mysql
- E. /usr/redo
- F. /var/lib/mysql
Correct Answer: E 🗳️
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