PASS GUARANTEED 2025 ORACLE 1Z0-921: MYSQL 2021 IMPLEMENTATION ESSENTIALS–EFFICIENT NEW EXAM FORMAT

Pass Guaranteed 2025 Oracle 1Z0-921: MySQL 2021 Implementation Essentials–Efficient New Exam Format

Pass Guaranteed 2025 Oracle 1Z0-921: MySQL 2021 Implementation Essentials–Efficient New Exam Format

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Tags: New 1Z0-921 Exam Format, 1Z0-921 Valid Test Answers, Training 1Z0-921 For Exam, 1Z0-921 Valid Exam Format, New 1Z0-921 Braindumps

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Oracle 1Z0-921 (MySQL 2021 Implementation Essentials) Exam is a certification exam designed to validate the skills and knowledge of database administrators and developers who work with MySQL. 1Z0-921 exam is targeted towards candidates who have experience in implementing and managing MySQL databases, and aims to test their understanding of best practices, tools, and techniques used in MySQL database administration.

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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q57-Q62):

NEW QUESTION # 57
Which three are characteristics of the JSON data type?

  • A. It is based on the TEXT data type.
  • B. A set of SQL functions substantially support the SQL utilization of the data type.
  • C. It supports indexing directly against the JSON-defined column.
  • D. Key or array references enable quick read-access to look up document elements directly.
  • E. Comparisons of JSON values are not case-sensitive.
  • F. It validates the JSON syntax on insert or merge.

Answer: C,D,F


NEW QUESTION # 58
You set up a compressed full backup file from mysqlbackup by using the --compress option for MySQL Database backup. You are required to restore the database and apply the log.
Which two options should you add to the mysqlbackup to achieve the restoration of the database?

  • A. --decompress
  • B. --copy-back-and-apply-log
  • C. --apply-log-and-copy-back
  • D. --uncompress
  • E. --uncompress-and-apply-log

Answer: B,D


NEW QUESTION # 59
What are Security Lists in Oracle Cloud Infrastructure?

  • A. They are user-role designations that assign rights to certain internal users and external users.
  • B. They are essentially firewall rules that help control traffic between OCI instances.
  • C. They contain rules established by HIPAA for securing end-user data.
  • D. They allow administrators access to applications in the cloud and external servers.
  • E. Security lists are data encryption levels that control who can see the data.

Answer: B


NEW QUESTION # 60
The replication for a Master and Slave MySQL Servers is up and running. The disk space for Master Server is continuously growing. The binlog size keeps growing. Which two methods can fix the issue?

  • A. Execute the purge binary logs statement without argument.
  • B. Set the expire_logs_days system variable to expire binary log files automatically after a given number of days.
  • C. On the Master server, disable binlog by removing the --log-bin option.
  • D. To safely purge binary log files, perform these steps:
  • E. Delete all binlog files manually on the file system to release storage spaces.

Answer: B,D


NEW QUESTION # 61
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. The root password displayed on the screen via a [warning] message.
  • C. As root, execute the show password command by using the SHA-256 password encryption plug-in.
  • D. The root password inserted in the error log set by the --log-error=[file_name] variable
  • E. The root password is not given and is blank. You must manually set the root password.

Answer: A,C


NEW QUESTION # 62
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