Changing Passwords is NOT good practice
and change them periodically to protect the database server from brute force attacks and dictionary attacks, which any IT pro worth their name will have been doing already
This goes against best practice, and only helps if your password later appears in password lists: which is won't if it was good enough in the first place (20+ chards from random password generator) and not reuse.
Just repeating this bad advice makes me question the source.
NCSC: https://www.ncsc.gov.uk/blog-post/problems-forcing-regular-password-expiry
Biting the hand that feeds IT
