Valid Oracle 1Z0-921 Practice Materials, 1Z0-921 Test Engine Version

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Oracle 1Z0-921 (MySQL 2021 Implementation Essentials) Exam is a valuable certification for professionals seeking to demonstrate their expertise in MySQL implementation. It is a rigorous exam that tests the candidate's knowledge and skills in various areas related to database implementation, security, performance tuning, and troubleshooting. By passing 1Z0-921 Exam, candidates can enhance their career prospects and gain recognition as a skilled MySQL professional.

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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.

Oracle MySQL 2021 Implementation Essentials Sample Questions (Q23-Q28):

NEW QUESTION # 23
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. Use mysqldump to import data from the sakila_dummy database sample data set.
D. Alter the table with the statement: ALTER TABLE IMPORT DATA WITH data_masking plugin;

Answer: D

NEW QUESTION # 24
Which query will find rows in a table that have no counterpart in another table?

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

Answer: C

NEW QUESTION # 25
Which three are recommended configurations for installing and running MySQL InnoDB Cluster?

A. Groups must be in even numbers; 2, 4, 6, 8.
B. Use Network-attached storage (NAS) for the data files.
C. isolated machine resources
D. use SSD,s for data and replication logs
E. Networks must be in separate regions.
F. The number of machines per group must be 3, 5, 7 or 9.
G. smaller VM,s work best - with a maximum of eight vCPU,s and 16GB of RAM

Answer: A,B,F

NEW QUESTION # 26
You need to change the password level for a test system.
Which two allow to change this level before you create new test user/passwords?

A. SET GLOBAL force_password_complex_policy=0;
B. Add validate_password=,new level, in the [security] section of the MySQL configuration file.
C. Add validate_password_policy=,new level, in the [mysqld] section of the MySQL configuration file.
D. SET GLOBAL validate_password_policy=,new level,;

Answer: C,D

NEW QUESTION # 27
Which three components can MySQL InnoDB Cluster use to Achieve database high availability?

A. MySQL Servers with Group Replication to replicate data to all members of the cluster.
B. MySQL Online Hot Backup to keep data consistent and always ready to be used.
C. MySQL Shell to create and administer InnoDB Clusters using the built-in AdminAPI.
D. MySQL X Plugin to enable MySQL to use the X Protocol to speed up and monitor data replication.
E. MySQL Router to ensure client requests are load balanced and routed to the correct servers.

Answer: A,C,E

NEW QUESTION # 28
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Valid Oracle 1Z0-921 Practice Materials, 1Z0-921 Test Engine Version

Exclusive 1Z0-921 Exam Questions And 1Z0-921 Dumps For The 2025 Exam

Oracle MySQL 2021 Implementation Essentials Sample Questions (Q23-Q28):

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