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Oracle 1Z0-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which three components can MySQL InnoDB Cluster use to Achieve database high availability?

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

2. Which Oracle product is certified to work with MySQL Enterprise Edition?

A) Oracle Enterprise Manager
B) Oracle Enterprise Backup
C) Oracle Data Pump
D) Oracle Application Express

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

4. Which statement is used to create a new MySQL database?
Response:

A) CREATE DATABASE
B) NEW DATABASE
C) CREATE TABLE
D) CREATE SCHEMA

5. Which three are characteristics of the JSON data type?

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

Solutions: