Try Oracle : 1Z1-921 valid & accurate questions and answers
Updated: Jun 26, 2026
No. of Questions: 78 Questions & Answers with Testing Engine
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Oracle MySQL 2021 Implementation Essentials Sample Questions:
1. Consider this SQL statement which is using the innoDB storage engine and with global AUTOCOMMIT = 1:
What is the result after issuing the rollback command?
A) Both the tables, t1 and t2, are not created because there is an explicit ROLLBACK.
B) Only the t1 table is created.
C) Only the t2 table is created.
D) Both the tables, t1 and t2, are created.
2. What are two ways in which customers can receive notifications such as outages, configuration changes, database emergencies, and other information on their Database as a Service instances?
A) Browser pop-ups
B) Direct support call from an Oracle representative
C) Application-to-application messaging
D) Email
E) SMS-notification tab on the dashboard
3. What is Kubernetes in the context of MySQL?
Response:
A) An open-source container orchestration platform.
B) A database engine for MySQL.
C) A cloud service provided by Oracle for MySQL databases.
D) A database management tool for MySQL.
4. Which two statements are correct about MySQL Enterprise Edition?
A) Oracle MySQL Enterprise tools & plugins are available as optional services (installation Feature Pack I/II).
B) MySQL configuration can be changed in /etc/lib/myi.cnf.
C) MySQL Enterprise Edition can be installed on an Oracle Cloud Infrastructure Compute Instance.
D) Oracle offers 24x7, global support for MySQL Enterprise Edition products installed on Oracle Cloud Infrastructure Compute Instances.
E) MySQL Enterprise Product Suite can be installed on an Oracle Cloud Infrastructure Virtual Cloud Network.
5. You have three machines with MySQL Databases running on Linux platform.
Which backup procedures would allow online and remote backup of the MySQL Database on the three machines to a connected Storage NFS?
A) 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Workbench on a separate machine, which is used to connect to the three machines to back up and restore.3. Startup MySQL backup from MySQL Workbench to back up the three databases.4. Validate the backup by using MySQL Workbench to ensure that the backup created is valid.
B) 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Enterprise Backup on machine which is used to start the backup.3. Start mysqlbackup on only one machine with the installation to back up the databases for the three machines to the mounted volume using - -backup-dir and by giving--hosts=machine1:port1, machine2:port2, machine3:port3.4. Validate the backups using the mysqlbackup program to ensure that the backups created are valid.
C) 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Enterprise Backup on the machine that is used to start the backup.3. Start mysqlbackup on only one machine with the installation to back up the databases for the three machines to the mounted volume using - - backup-dir and by specifying -- config-files=my1.cnf, my2.cnf, my3.cnf.my1.cnf, my2cnf, and my3.cnf are the MySQL Database Configuration files on the three machines.4. Validate the backup by using the mysqlbackup program to ensure that the backup created is valid.
D) 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Enterprise Backup on all three machines.3. Start mysqlbackup on all machines to back up the database to the mounted volume using - -backup-dir.4. Validate the backup using the mysqlbackup program to ensure that the backup created is valid.
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: D,E | Question # 3 Answer: A | Question # 4 Answer: A,B | Question # 5 Answer: D |
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