Oracle Cloud Infrastructure 2021 Architect Professional — Question 9

Which type of configuration variables CANNOT be modified in MySQL custom configurations?

Answer options

• A. Initialization variables
• B. User variables
• C. System variables
• D. Default user variables

Correct answer: A

Explanation

Initialization variables are set when the MySQL server starts and cannot be changed during runtime. In contrast, user variables, system variables, and default user variables can be modified after the server is up and running.