Proxy users allow accessing other users without knowing their passwords. Useful for DBA tasks requiring specific user credentials. Prevents security risks when multiple developers share credentials. Users can be easily removed from shared schemas
GRANT statement assigns privileges and roles to MySQL user accounts and roles. Cannot mix privileges and roles in same statement. ON clause distinguishes between privileges and roles. GRANT OPTION privilege required for privilege assignment
HTTP error indicates insufficient permissions or proper authorization. Users cannot access resources or perform specific actions
Authentication identifies users, authorization determines their permissions. Default user can only connect to localhost, production should use generated credentials. Authentication supports username/password pairs and X.509 certificates
ASP.NET Core Identity RoleManager class manages roles in the database. Roles can be created, deleted, and updated using RoleManager methods. IdentityRole class represents roles with unique IDs and names
Share entire mailbox first to grant access to all subfolders. Users need minimum "View" permission to access shared folders. Multiple users can be added with different permission levels. Shared folders appear in left column of Outlook web interface