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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q13-Q18):

NEW QUESTION # 13
How does MySQL HeatWave improve query performance?
Response:

A. By offloading analytics queries to an in-memory, highly parallel processing engine.
B. By caching the entire database in memory.
C. By automatically creating indexes on frequently used columns.
D. By replicating data across multiple servers.

Answer: A

NEW QUESTION # 14
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 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.
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 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.
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 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.
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 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.

Answer: A

NEW QUESTION # 15
Which two are advantages of using Document Store in MySQL?

A. MySQL can store XML as a schema-less database
B. MySQL is a document database allowing PDF and Word documents
C. MySQL provides a native data type to index PDF documents
D. MySQL provides a native data type to store JSON data as a document
E. MySQL provides a NoSQL API to access the document store

Answer: A,E

NEW QUESTION # 16
After installing MySQL 8.0, you initialize the data directory with the --initialize command. Which two are places where you can find the root password?

A. The root_pw variable stored in the mysq1.install table.
B. As root, execute the show password command by using the SHA-256 password encryption plug-in.
C. The root password displayed on the screen via a [warning] message.
D. The root password is not given and is blank. You must manually set the root password.
E. The root password inserted in the error log set by the --log-error=[file_name] variable

Answer: A,B

NEW QUESTION # 17
Which is true about inserting an additional line in a single document stored in MySQL document store?

A. The path specified must be an array position past the end of an array using the JSON_POSITION statement.
B. Any new lines can only be inserted at the end of the document.
C. You specify the new element,s position in the JSON_ARRAY_INSERT statement.
D. You cannot insert a single line, you have to replace the entire document with a new document.

Answer: C

NEW QUESTION # 18
......

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Pursue Certifications 1Z0-921 New Exam Online Exam Questions

Free PDF Quiz Oracle - 1Z0-921 - Professional New MySQL 2021 Implementation Essentials Exam Online

Oracle MySQL 2021 Implementation Essentials Sample Questions (Q13-Q18):

New 1Z0-921 Exam Online - Free PDF First-grade 1Z0-921 - Vce MySQL 2021 Implementation Essentials Exam

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