1. In a database system, a method for establishing high-speed communication between an application server and a database server, the method comprising: executing both the application server and the database server on a single host computer; establishing a shared memory controlled by the database server; attaching a communication thread to said shared memory control by the database server; after attachment of the communication thread to the shared memory, creating a communication socket facilitating communication between the application server and the database server using the shared memory; and thereafter effecting communication between the application server and the database server through said communication socket.