1Z0-921 RELIABLE EXAM PASS4SURE - 1Z0-921 DUMPS PDF

1Z0-921 Reliable Exam Pass4sure - 1Z0-921 Dumps PDF

1Z0-921 Reliable Exam Pass4sure - 1Z0-921 Dumps PDF

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Oracle 1Z0-921 (MySQL 2021 Implementation Essentials) Certification Exam is an entry-level certification exam designed for individuals who want to demonstrate their knowledge and skills in implementing and managing MySQL databases. 1Z0-921 exam covers a wide range of topics, including database design, installation and configuration, security, backup and recovery, and performance tuning.

Oracle 1Z0-921 (MySQL 2021 Implementation Essentials) certification exam is designed to test the skills and knowledge of database administrators and developers who work with MySQL databases. MySQL 2021 Implementation Essentials certification is ideal for professionals who want to demonstrate their expertise in MySQL implementation and administration, and who want to advance their careers in database management. 1Z0-921 Exam covers a range of topics related to MySQL implementation, including installation, configuration, security, backup and recovery, performance tuning and optimization, and more.

To take the 1Z0-921 exam, you must have a solid understanding of MySQL database architecture, SQL programming, and database administration. You should also be familiar with MySQL tools and utilities, such as MySQL Workbench and MySQL Shell.

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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q55-Q60):

NEW QUESTION # 55
Which two statements are correct about MySQL Enterprise Edition?

  • A. MySQL Enterprise Product Suite can be installed on an Oracle Cloud Infrastructure Virtual Cloud Network.
  • B. Oracle MySQL Enterprise tools & plugins are available as optional services (installation Feature Pack I/II).
  • C. Oracle offers 24x7, global support for MySQL Enterprise Edition products installed on Oracle Cloud Infrastructure Compute Instances.
  • D. MySQL Enterprise Edition can be installed on an Oracle Cloud Infrastructure Compute Instance.
  • E. MySQL configuration can be changed in /etc/lib/myi.cnf.

Answer: B,E


NEW QUESTION # 56
You execute this statement:
SELECT NULL=NULL;
What is the result?

  • A. FALSE
  • B. 0
  • C. 1
  • D. TRUE
  • E. NULL

Answer: E


NEW QUESTION # 57
Which two statements are true about MySQL Enterprise Firewall?

  • A. System tables named firewall_users and firewall_whitelist in the mysql database provide persistent storage of firewall data.
  • B. MySQL Enterprise Firewall is available only in MySQL Enterprise versions 5.7.10.and later.
  • C. Server-side plug-ins named MYSQL_FIREWALL_USERS and MYSQL_FIREWALL-WHITELIST implement INFORMATION_SCHEMA tables that provide views into the firewall data cache.
  • D. MySQL Enterprise Firewall shows only notifications blocked connections, which originated outside of your network's primary domain.
  • E. The firewall functionality is dependent upon SHA-256 and ANSI-specific functions built in to the mysql.firewall table. These functions cannot be deleted, even by the root user.
  • F. On Windows systems, MySQL Enterprise Firewall is controlled and managed by using the Windows Internet Connection Firewall control panel.

Answer: A,C


NEW QUESTION # 58
Which statement would you use to remove the population column from the city table?

  • A. ALTER TABLE city DROP population;
  • B. ALTER TABLE city LESS population;
  • C. ALTER TABLE city DELETE population;
  • D. DELETE population FROM city;
  • E. DROP population FROM city;

Answer: A


NEW QUESTION # 59
Which three options are valid reasons for using a primary key in a table?

  • A. maintaining a history of row insertions or updates
  • B. automatic storage of data in a sorted order
  • C. increasing performance when using select statements
  • D. to make it easier to change the PRIMARY KEY value
  • E. exporting data faster with mysqldump
  • F. preventing duplicate keys

Answer: C,E,F


NEW QUESTION # 60
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