A computing system architecture includes a token generator communicable with a client token agent. The client token agent is communicable with a client database access agent. A database management system is communicable with the token agent. The database management system is communicable with the client database access agent. A client authorization management system is communicable with the database management system. The client authorization management system stores a list of authorized operations for a client. The list of authorized operations is configured to be changeable during a client login session.