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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q24-Q29):

NEW QUESTION # 24
Your newly-created Oracle Cloud Infrastructure instance is not available for login in. Which is a valid reason for this issue?

A. The opc user can be used to access MySQL only with the created SSH-Key.
B. The OCI instance is still in the "creation" process.
C. Only root is allowed to access from non-localhost.
D. You forgot to create the correct SSL/TLC certificate during the setup process.
E. You forgot to enable port 3306.

Answer: E

NEW QUESTION # 25
You are testing a new application and want to use data masking but the database is empty. What option will generate dummy data for you to use for testing?

A. Use mysqldump to import data from the sakila_dummy database sample data set.
B. Use MySQL Enterprise High Availability to access one of the available data tables
C. Alter the table with the statement: ALTER TABLE IMPORT DATA WITH data_masking plugin;
D. Execute the sakila-data. sqi script to populate the database

Answer: C

NEW QUESTION # 26
When should you perform a backup in a MySQL database?
Response:

A. Only during scheduled maintenance windows.
B. After critical data updates or before making significant changes to the database.
C. Only when the database size exceeds a certain limit.
D. After every successful query execution.

Answer: B

NEW QUESTION # 27
Which query will find rows in a table that have no counterpart in another table?

A. SELECT left_tbl.*FROM left_tbl LEFT JOIN right_tbl ON left_tbl.id=right_tbl.idWHERE right_tbl.id IS NULL;
B. SELECT t1.name, t2.name2FROM employee t1 INNER JOIN info t2 WHERE t1.name=t2.name;
C. SELECT t1.name, t2.name2FROM employee AS t1 INNER JOIN info AS t2 ON t1.name= t2.name2;
D. SELECT *FROM table1 INNER JOIN table2 ON table1.id=table2.id WHERE table1.id=! table2.id;

Answer: A

NEW QUESTION # 28
Which three statements describe MySQL Enterprise Backup?

A. MySQL Enterprise Backup can be used to import/export data from on-premises MySQL installations.
B. MySQL Enterprise Backup offers backup based on Oracle RMAN with optimized row locking.
C. MySQL Enterprise Backup can be used to send backups to Oracle Cloud Infrastructure Storage Service.
D. MySQL Enterprise Backup is an optimized backup based on mysqldump with optimized row locking.
E. MySQL Enterprise Backup provides the point-in-time recovery functionality.

Answer: B,D,E

NEW QUESTION # 29
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