Pass Guaranteed 2025 Oracle High-quality 1Z0-921: MySQL 2021 Implementation Essentials Exam Introduction

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Oracle 1Z0-921 (MySQL 2021 Implementation Essentials) exam is a certification exam designed for individuals who want to demonstrate their expertise in implementing and managing MySQL databases. 1Z0-921 exam measures the candidate's knowledge and skills in areas such as database architecture, security, backup and recovery, performance tuning, and high availability. Passing 1Z0-921 Exam validates the candidate's ability to install, configure, and maintain MySQL databases, making them highly desirable to potential employers.

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Oracle 1Z0-921 exam is a multiple-choice exam that consists of 70 questions. Candidates are given two hours to complete the exam, and they must score at least 63% to pass the exam. 1Z0-921 Exam is available in English and Japanese languages and can be taken at any Pearson VUE testing center worldwide.

Oracle MySQL 2021 Implementation Essentials Sample Questions (Q53-Q58):

NEW QUESTION # 53
The user -os-user'@"localhost" was created to monitor connections and shut down the server, and was granted these privileges:
GRANT PROCESS, SHUTDOWN ON *.* TO "OS-user*@"localhost';
Which three are commands that the os-user can execute?

A. SHOW STATUS;
B. GRANT PROXY
C. SHOW BINLOG EVENTS;
D. SHUTDOWN
E. SHOW PROCESSLIST;
F. KILL PROCESS;

Answer: A,D,F

NEW QUESTION # 54
How does MySQL HeatWave improve query performance?
Response:

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

Answer: D

NEW QUESTION # 55
Which three components can MySQL InnoDB Cluster use to Achieve database high availability?

A. MySQL Online Hot Backup to keep data consistent and always ready to be used.
B. MySQL Servers with Group Replication to replicate data to all members of the cluster.
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: B,C,E

NEW QUESTION # 56
What SQL keyword must be specified when creating a foreign key constraint?

A. the SET_FOREGIN variable in the my .cnf file
B. an index on the foreign key
C. a REFERENCES in the child table to the parent table
D. a TRIGGER on the child table for cascading delete statements
E. unique PRIMARY key values for both child and parent tables

Answer: D

NEW QUESTION # 57
You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH) For accessing a new MySQL Enterprise Edition on an Oracle Cloud Infrastructure (OCI) Instance you " Add SSH key " information during the OCI instance setup. You want to use Putty from your Windows Client to install MySQL.
What are the correct steps to accomplish this?

A. Open Port 22 on your OCI Instance and configure Putty with the ssh private key.
B. Convert the private key to ppk format first and use the new private key for authentication.
C. Use the provided private key for authentication.
D. Open Port 22 on your OCI Instance and convert the private key to ppk format. This new private key can be used for authentication.

Answer: D

NEW QUESTION # 58
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Pass Guaranteed 2025 Oracle High-quality 1Z0-921: MySQL 2021 Implementation Essentials Exam Introduction

1Z0-921 Study Tool - 1Z0-921 Test Torrent & MySQL 2021 Implementation Essentials Guide Torrent

Oracle MySQL 2021 Implementation Essentials Sample Questions (Q53-Q58):

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