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Oracle MySQL 2021 Implementation Essentials Sample Questions:

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

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

2. What are two ways in which customers can receive notifications such as outages, configuration changes, database emergencies, and other information on their Database as a Service instances?

A) Direct support call from an Oracle representative
B) Application-to-application messaging
C) SMS-notification tab on the dashboard
D) Browser pop-ups
E) Email

3. The user 'fwuser'@'localhost% was registered with the MySQL Enterprise Firewall and was granted privileges for the SAKILA database. You executed the commands:

You want to clear the account whitelist for the * fwuser" @* localhost* user. Which statement should you run to accomplish this?

A)

B)

C)

4. How does MySQL HeatWave improve query performance?
Response:

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

5. Which two deployment architectures could you use for scaling-out database reads?

A) Edit the configuration file and increase the value for parallel_read_workers and reboot the server
B) Adding a memcached-tier for caching data and objects in RAM to reduce the number of times an external data source must be read.
C) Altering the storage engine for all tables to memory to increase performance.
D) Changing the system setting with memory stickiness to true in order not to swap out mysq1dfrom memory.
E) Implementing a three-node, single-primary InnoDB Cluster.

Solutions: