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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. 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) exporting data faster with mysqldump
D) to make it easier to change the PRIMARY KEY value
E) preventing duplicate keys
F) increasing performance when using select statements

2. Which three prerequisites are needed for creating an Oracle Linux VM instance in the Oracle Cloud Infrastructure?

A) subnet configured on a Virtual Cloud Network (VCN)
B) Object Storage
C) bare metal Oracle Linux shape
D) existing VCN
E) ssh key pair
F) Custom Image

3. What is Kubernetes in the context of MySQL?
Response:

A) An open-source container orchestration platform.
B) A database engine for MySQL.
C) A database management tool for MySQL.
D) A cloud service provided by Oracle for MySQL databases.

4. Which activity will take place if a table is created with both the compression and encryption options?

A) The compression is performed before tablespace data is encrypted.
B) The compression is performed, the ''data_at_rest_flag" is turned on and the tablespace data is encrypted.
C) The system generates an error because the COMPRESSION and ENCRYPTION options cannot be used together.
D) The tablespace data is encrypted first and then compression is performed.

5. Which statement will display the status of the partitioning plug-in?

A) USE SYS SCHEMA; SHOW PLUGINS STATUS;
B) SHOW PLUGINS WHERE Name= 'partition';
C) SHOW STATUS PLUGINS WHERE Name= 'PARTITIONING';
D) SELECT PLUGIN_NAME, PLUGIN_VERSION, PLUGIN_STATUS FROM INFOMRATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME= 'partition';

Solutions: