Back when A user is passed to the users of these privileges, B C whether the user has the permission? (if A user is administrator user, or A regular user, what's the difference?)
CodePudding user response:
C permissions will be recycled,CodePudding user response:
C without permission, can be retrievedCodePudding user response:
B to C permissions are made from A to B, B, C there will be no moreCodePudding user response:
If the database administrator use GRANT commands A award system permissions to users is with WITHADMINOPTION option, then the users again awarded B; If at the moment the database administrator use REVOKE command to cancel A user's system permissions, user B system permissions still effective,