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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. What is true about MySQL Enterprise Transparent Data Encryption (TDE)?

A) Encryption key is stored in a centralized key memory location
B) Enables data-at-rest encryption by encrypting the physical files of the database.
C) Tablespace keys are managed manually behind the scenes.
D) Data is encrypted automatically, in real time, after it is written to storage.

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

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

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

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

4. When using an Oracle Cloud Infrastructure Compute Instance with MySQL Enterprise Edition installed, you have two choices for backup destinations. What are these two choices?

A) Flash-archive recovery area
B) Cloud tape library
C) Both Cloud storage and local storage
D) Cloud storage only

5. You are using the innoDB engine and the innodb_f ile_per_table option is set.
You delete a significant number of rows of a large table named inventory and issue the command optimize table inventory.
What will happen to the inventory table?

A) The table will be optimized and replicated.
B) The table statistics will be stored.
C) The table storage space will be reduced.
D) The table will be checked for errors and repaired.

Solutions: