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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which statement would you use to remove the population column from the city table?

A) ALTER TABLE city DELETE population;
B) DROP population FROM city;
C) ALTER TABLE city DROP population;
D) DELETE population FROM city;
E) ALTER TABLE city LESS population;

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 reached the database instance limit of 32.
C) 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.
D) The customer does not have proper user rights.

3. What are two ways in which customers can receive notifications such as outages, configuration changes, database emergencies, and other information on their Database as a Service instances?

A) Direct support call from an Oracle representative
B) Application-to-application messaging
C) SMS-notification tab on the dashboard
D) Browser pop-ups
E) Email

4. Which is true about inserting an additional line in a single document stored in MySQL document store?

A) You cannot insert a single line, you have to replace the entire document with a new document.
B) You specify the new element,s position in the JSON_ARRAY_INSERT statement.
C) The path specified must be an array position past the end of an array using the JSON_POSITION statement.
D) Any new lines can only be inserted at the end of the document.

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

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

Solutions: