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Oracle MySQL 2021 Implementation Essentials Sample Questions:

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

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

2. When should you perform a backup in a MySQL database?
Response:

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

3. Which MySQL command is used to grant specific privileges to a user on a database?
Response:

A) SET PRIVILEGES
B) GRANT PERMISSIONS
C) GRANT
D) GIVE ACCESS

4. Which query will find rows in a table that have no counterpart in another table?

A) SELECT t1.name, t2.name2FROM employee t1 INNER JOIN info t2 WHERE t1.name=t2.name;
B) SELECT left_tbl.*FROM left_tbl LEFT JOIN right_tbl ON left_tbl.id=right_tbl.idWHERE right_tbl.id IS NULL;
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;

5. Which component of MySQL Enterprise Monitor provides trend analysis and capacity planning for MySQL databases?
Response:

A) MySQL Dashboard
B) MySQL Query Analyzer
C) MySQL Advisors
D) Query Analyzer

Solutions: