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Oracle 1Z0-921 (MySQL 2021 Implementation Essentials) Certification Exam is designed for individuals who want to demonstrate their knowledge and skills in implementing and managing MySQL databases. MySQL 2021 Implementation Essentials certification exam is intended for database administrators, developers, and IT professionals who have experience working with MySQL databases and want to prove their expertise in this area.

Oracle 1Z0-921 (MySQL 2021 Implementation Essentials) Certification Exam is designed for individuals who are interested in validating their knowledge and skills in MySQL database implementation. MySQL 2021 Implementation Essentials certification exam is intended for database administrators, developers, and other IT professionals who are responsible for managing and maintaining MySQL databases. It is an entry-level certification exam that confirms the candidate's proficiency in basic MySQL concepts and implementation tasks.

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Oracle 1Z0-921: MySQL 2021 Implementation Essentials is a certification exam designed for professionals who want to validate their skills and knowledge in implementing and managing MySQL databases. 1Z1-921 Exam is an excellent opportunity for database administrators, developers, and consultants who work with MySQL to demonstrate their proficiency in this popular open-source relational database management system.

Oracle MySQL 2021 Implementation Essentials Sample Questions (Q47-Q52):

NEW QUESTION # 47
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 (Advisors) and create a new advisor rule for new MySQL instances based on the MySQL Advisor Wizard.
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 (MEM) and configure the default login credentials.

Answer: A

NEW QUESTION # 48
Which query will find rows in a table that have no counterpart in another table?

A. SELECT t1.name, t2.name2FROM employee AS t1 INNER JOIN info AS t2 ON t1.name= t2.name2;
B. SELECT *FROM table1 INNER JOIN table2 ON table1.id=table2.id WHERE table1.id=! table2.id;
C. SELECT t1.name, t2.name2FROM employee t1 INNER JOIN info t2 WHERE t1.name=t2.name;
D. SELECT left_tbl.*FROM left_tbl LEFT JOIN right_tbl ON left_tbl.id=right_tbl.idWHERE right_tbl.id IS NULL;

Answer: D

NEW QUESTION # 49
An existing MySQL Database environment has been doing backup and restore in a logical way by using the mysq1dump and mysq1 client utilities. When the backup is started using mysqldump with single-transaction mode, the existing application has long wait time. When the restore is required, it takes more than three hours to restore.
What two are benefits of using mysqlbackup from MySQL Enterprise Backup in this situation?

A. MySQL Enterprise Backup provides tape backup integration by default. It has the virtual tape option, which allows backup to tape device directly without extra third-party software integration.
B. mysqlbackup utilities dump the full database into a SQL file, which is imported into the mysql client in single-thread mode. mysqlbackup restores data from physical backups. Physical backup methods are faster than logical methods because they involve only file coping without conversion.
C. MySQL Enterprise Backup does not back up system data so that it is much faster.
D. mysqlbackup can back up tables with the InnoDB engine without blocking. The backup is hot with InnoDB. Together with Incremental Backup, mysqlbackup from MySQL Enterprise Backup shortens the backup windows.
E. mysqlbackup from MySQL Enterprise Backup allows logical backup with concurrency built in to get faster backup speed and restoration speed.

Answer: B,E

NEW QUESTION # 50
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. Alter the table with the statement: ALTER TABLE IMPORT DATA WITH data_masking plugin;
B. Use mysqldump to import data from the sakila_dummy database sample data set.
C. Execute the sakila-data. sqi script to populate the database
D. Use MySQL Enterprise High Availability to access one of the available data tables

Answer: A

NEW QUESTION # 51
Which three prerequisites are needed for creating an Oracle Linux VM instance in the Oracle Cloud Infrastructure?

A. Custom Image
B. existing VCN
C. ssh key pair
D. bare metal Oracle Linux shape
E. Object Storage
F. subnet configured on a Virtual Cloud Network (VCN)

Answer: A,D,E

NEW QUESTION # 52
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Jack Roberts Jack Roberts

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