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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

Question 1

Which features of MySQL Enterprise Edition should you use to proactively monitor and track data changes in your databases?

A. SQL Enterprise Monitor and MySQL Enterprise Authentication
B. MySQL Audit and MySQL Workbench
C. MySQL Workbench and MySQL Enterprise Firewall
D. MySQL Enterprise Monitor and MySQL Audit

Question 2

An Oracle Cloud Infrastructure customer already has many database instances configured and running in the cloud; however, they are reporting that they are unable to create any more instances.
What could be the problem?

A. The customer account might have reached resource quota/limits.
B. The customer does not have proper user rights.
C. The customer reached the database instance limit of 32.
D. The customer has not kept up with their patching requirements; new instances cannot be created unless the majority or the template of existing instances are up-to-date.

Question 3

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 *FROM table1 INNER JOIN table2 ON table1.id=table2.id WHERE table1.id=! table2.id;
C. SELECT t1.name, t2.name2FROM employee t1 INNER JOIN info t2 WHERE t1.name=t2.name;
D. SELECT t1.name, t2.name2FROM employee AS t1 INNER JOIN info AS t2 ON t1.name= t2.name2;

Question 4

The user -os-user'@"localhost" was created to monitor connections and shut down the server, and was granted these privileges:
GRANT PROCESS, SHUTDOWN ON *.* TO "OS-user*@"localhost';
Which three are commands that the os-user can execute?

A. KILL PROCESS;
B. SHOW BINLOG EVENTS;
C. SHOW PROCESSLIST;
D. SHOW STATUS;
E. GRANT PROXY
F. SHUTDOWN

Question 5

Which of the following statements is true regarding MySQL user account privileges?
Response:

A. The USAGE privilege allows a user to connect to the MySQL server but grants no other privileges.
B. The RELOAD privilege allows a user to delete data from a table.
C. The GRANT option allows a user to revoke privileges from other users.
D. A user with the SUPER privilege can only read data from the database.

Solutions: