Hello Community, i have some questions regarding to database.

Time ago i was able to change username of an old user to a new username in the phpMyAdmin without errors or problems, obviously this was done when the site was without active users or interactions with that users, so i think it was safe.

So i was wondering if i can change the guid of an old user for example "520" to a guid "2" or "3".

Replying to the question "Why?" because i dont have users with the guid "2" or "3", etc, because those users were deleted from the database in the past, so i want to use that old GUIDs with new accounts or existing accounts.

Another question is can i change the administrator username? and then use the Restrict Usernames component to block admin, administrator, moderator, etc usernames??