Oracle 1Z0-921 Exam Overview:
| Certification Vendor: | Oracle |
| Exam Name: | Oracle MySQL 2021 Implementation Essentials |
| Exam Number: | 1Z0-921 |
| Real Exam Qty: | 60-80 (varies by exam version) |
| Related Certifications: | MySQL 8.0 Database Administrator MySQL Implementation Associate |
| Available Languages: | English |
| Exam Duration: | 120 minutes |
| Exam Format: | Multiple Choice Questions, Scenario-based Questions |
| Recommended Training: | Oracle MySQL Training (Oracle University) |
| Exam Registration: | Pearson VUE Oracle Exams Oracle Certification Registration |
| Sample Questions: | Oracle 1Z0-921 Sample Questions |
| 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 |
|---|---|
| Topic 1: Backup, Recovery, and Replication | - Backup strategies - Replication concepts and configuration |
| Topic 2: Monitoring and Troubleshooting | - Performance monitoring - Basic troubleshooting techniques |
| Topic 3: MySQL Architecture and Installation | - Installation and configuration - MySQL server architecture |
| Topic 4: Data Management and SQL Operations | - SQL queries and DML operations - Indexing and optimization basics |
| Topic 5: Security and User Management | - Authentication plugins (PAM, AD integration) - User accounts and privileges |
| Topic 6: Database Design and Development | - Data types and normalization - Schema design principles |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
1. Which statement adds a column with the largest integer data type?
A) ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(10,10);
B) ALTER TABLE SCIENTIFIC ADD scientific_value BIGINT;
C) ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(15,10);
D) ALTER TABLE SCIENTIFIC ADD scientific_value INTEGER;
2. Which Oracle product is certified to work with MySQL Enterprise Edition?
A) Oracle Enterprise Manager
B) Oracle Application Express
C) Oracle Data Pump
D) Oracle Enterprise Backup
3. Which three are requirements for MySQL Group Replication (GR)?
A) The binary log format must be set to mixed.
B) Data to be replicated must be stored in the InnoDB transactional storage engine.
C) The use of global transaction identifiers is required.
D) The minimum number of required nodes for achieving a consensus is two.
E) GR only works with MySQL versions 8.0.12 or higher.
F) Primary keys are required on every replicated table.
4. You want to change the default behavior of MySQL Enterprise Monitor (MEM). New instances detected by a MEM agent should automatically monitor discovered instances.
How can you change the Advisor Setting?
A) Go to the configuration section (Advisors) and edit the default settings of the MySQL Process Discovery according to the existing users of your new MySQL instances.
B) Go to the configuration section (MEM) and configure the default login credentials.
C) Go to the configuration section (Users) and create a new user according to the existing users of your new MySQL instances.
D) Go to the configuration section (Advisors) and create a new advisor rule for new MySQL instances based on the MySQL Advisor Wizard.
5. Which features of MySQL Enterprise Edition should you use to proactively monitor and track data changes in your databases?
A) SQL Enterprise Monitor and MySQL Enterprise Authentication
B) MySQL Enterprise Monitor and MySQL Audit
C) MySQL Workbench and MySQL Enterprise Firewall
D) MySQL Audit and MySQL Workbench
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A | Question # 3 Answer: A,B,F | Question # 4 Answer: A | Question # 5 Answer: A |
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