Oracle 1Z0-921 : MySQL 2021 Implementation Essentials

  • Exam Code: 1Z0-921
  • Exam Name: MySQL 2021 Implementation Essentials
  • Updated: Oct 04, 2026
  • Q & A: 78 Questions and Answers

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Oracle 1Z0-921 Exam Syllabus Topics:

SectionObjectives
Leverage MySQL Backup- Backup and Recovery
  • 1. Describe Enterprise Backup process
  • 2. Configure encryption and compression
  • 3. Install Enterprise Backup
  • 4. Configure backups
  • 5. Import and export data using Workbench
MySQL Kubernetes- Kubernetes Operations
  • 1. Use MySQL Kubernetes Operator
Database Design- Database Objects and SQL
  • 1. Join tables
  • 2. Describe MySQL datatypes
  • 3. Configure indexes and constraints
  • 4. Use Document Store
  • 5. Create basic SQL queries
  • 6. Partition MySQL tables
  • 7. Maintain databases, tables, and columns
  • 8. Create databases and tables
MySQL Security- Security Management
  • 1. Configure Enterprise Firewall
  • 2. Use Transparent Data Encryption
  • 3. Use Data Masking
  • 4. Execute authorization and privilege management
  • 5. Configure Enterprise Audit
  • 6. Manage password policies
  • 7. Describe Enterprise Authentication
Installation and Architecture- MySQL Infrastructure Architecture
  • 1. Explain MySQL infrastructure architecture
  • 2. Configure MySQL Enterprise Server settings
  • 3. Install MySQL Enterprise Server
MySQL Database Service and HeatWave- Cloud Database Services
  • 1. Monitor Database Service
  • 2. Configure backup for Database Service
  • 3. Create and manage HeatWave
  • 4. Manage high availability deployments
  • 5. Provision and connect to Database Service
  • 6. Manage standalone deployments
  • 7. Describe MySQL Database Service
Oracle MySQL Enterprise Product Suite- Enterprise Edition and Community/Standard Edition
  • 1. Explain Enterprise product features
  • 2. Differentiate MySQL editions
  • 3. Identify Oracle products certified with MySQL Enterprise Edition
Leverage MySQL Enterprise Monitor- Enterprise Monitor Features
  • 1. Manage Query Analyzer
  • 2. Manage custom advisors
  • 3. Describe monitor topology and agents
  • 4. Explain Enterprise Monitor benefits and features
High Availability and Replication- Replication and Scalability
  • 1. Explain replication
  • 2. Configure GTID and binary log replication
  • 3. Deploy scalability and availability features
  • 4. Set up InnoDB Cluster
  • 5. Describe high availability solutions

Oracle MySQL 2021 Implementation Essentials Sample Questions:

Question #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 DECIMAL(15,10);
  • C. ALTER TABLE SCIENTIFIC ADD scientific_value INTEGER;
  • D. ALTER TABLE SCIENTIFIC ADD scientific_value BIGINT;
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #2

Which three installation options are available for installing the MySQL Enterprise Monitor/Agent on Linux?

  • A. A CLI-based wizard MySQL Enterprise Monitor, Agent, and a MySQL Repository database
  • B. A script (with an option file) for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database
  • C. A GUI for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database
  • D. A browser-based wizard to remotely deploy the MySQL Monitor Agent
  • E. A MySQL Enterprise Monitor to remotely deploy the MySQL Monitor Agent
Reveal Solution  Discussion  0

Correct Answer: A,B,C  🗳️

Question #3

You have been using mysqldump for logical backups of your MySQL databases. Your MySQL database size has been growing. Which two options can reduce the backup size and speed up the backup time?

  • A. Use MySQL Enterprise Backup with the - -compress option to compress the backup files and use - - compress-level to select the level of compression.
  • B. Use mysqldump with the - -changesonly option.
  • C. Use MySQL Enterprise Backup with the - -size=compress to compress the backup file.
  • D. Use MySQL Enterprise Backup with the - - incremental policy to back up incrementally based on previous full backup.
  • E. Use mysqldump with - -incremental together with the - -compress option to back up incrementally based on previous full backup and compress the incremental backup files.
Reveal Solution  Discussion  0

Correct Answer: A,B  🗳️

Question #4

You are testing a new application and want to use data masking but the database is empty. What option will generate dummy data for you to use for testing?

  • A. Execute the sakila-data. sqi script to populate the database
  • B. Use MySQL Enterprise High Availability to access one of the available data tables
  • C. Alter the table with the statement: ALTER TABLE IMPORT DATA WITH data_masking plugin;
  • D. Use mysqldump to import data from the sakila_dummy database sample data set.
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #5

Which statement will display the status of the partitioning plug-in?

  • A. SHOW PLUGINS WHERE Name= 'partition';
  • B. SELECT PLUGIN_NAME, PLUGIN_VERSION, PLUGIN_STATUS FROM INFOMRATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME= 'partition';
  • C. USE SYS SCHEMA; SHOW PLUGINS STATUS;
  • D. SHOW STATUS PLUGINS WHERE Name= 'PARTITIONING';
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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