To Research the Design of the Middleware System for Active Database Inquiry

Researching the middleware-system structure, the system explores the possibility of adding Active Inquiry Mechanism to the Relationship Database which had none or has a less-active function. By adding an interface between the Relationship Database Management System (RDBMS) and the application, the system provides an Active Mechanism to the RDBMS to make it capable of active trigger. This system has also provided an active database system to the Relationship Database System in order for the user to apply their familiar database product while enjoying the superior capability of the active mechanism. The essay is focusing on the discussion of the Middleware Module of active database and the technique to achieve it.