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Oracle 1Z1-921 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Database Design and Development | - Data types and normalization - Schema design principles |
| Topic 2: Security and User Management | - Authentication plugins (PAM, AD integration) - User accounts and privileges |
| Topic 3: Backup, Recovery, and Replication | - Replication concepts and configuration - Backup strategies |
| Topic 4: Data Management and SQL Operations | - SQL queries and DML operations - Indexing and optimization basics |
| Topic 5: Monitoring and Troubleshooting | - Performance monitoring - Basic troubleshooting techniques |
| Topic 6: MySQL Architecture and Installation | - Installation and configuration - MySQL server architecture |
Oracle MySQL 2021 Implementation Essentials Sample Questions:
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 (MEM) and configure the default login credentials.
- B. Go to the configuration section (Users) and create a new user according to the existing users of your new MySQL instances.
- C. Go to the configuration section (Advisors) and create a new advisor rule for new MySQL instances based on the MySQL Advisor Wizard.
- D. 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.
Correct Answer: D 🗳️
What are the two main components required to set up persistent storage for MySQL on Kubernetes?
Response:
- A. PVC (Persistent Volume Claim) and PV (Persistent Volume)
- B. Pod and ReplicaSet
- C. PVC (Persistent Volume Claim) and ConfigMap
- D. Secret and Deployment
Correct Answer: A 🗳️
Which statement would you use to remove the population column from the city table?
- A. ALTER TABLE city DELETE population;
- B. DELETE population FROM city;
- C. ALTER TABLE city DROP population;
- D. DROP population FROM city;
- E. ALTER TABLE city LESS population;
Correct Answer: C 🗳️
What SQL keyword must be specified when creating a foreign key constraint?
- A. a TRIGGER on the child table for cascading delete statements
- B. a REFERENCES in the child table to the parent table
- C. the SET_FOREGIN variable in the my .cnf file
- D. unique PRIMARY key values for both child and parent tables
- E. an index on the foreign key
Correct Answer: A 🗳️
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 WITH HASH PASSWORD(,SecretPass123!,)
- B. CREATE USER ,jenny,@'%, WITH HASHED(password,,SecretPass123!,), PASSWORD EXPIRE
- C. CREATE USER ,jenny,@,%, IDENTIFIED WITH sha256_password BY 'SecretPass123!,;
- D. CREATE USER ,jenny,0,%t IDENTIFIED BY ,SecretPass123!, PASSWORD EXPIRE;
- E. CREATE USER ,jenny,@,localhost, IDENTIFIED BY (,SecretPass123!,,,256,, Expired)
Correct Answer: E 🗳️
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