Basic software components for Informix

Figure 8-1 shows the basic software components required to access an Informix database using the native Informix database interfaces.

Figure 8-1: Components of an Informix connection

The figure shows the components of an Informix database connection. At top is the Development environment. It is connected to the Database interface D L L called P B I N 9 n 0 dot D L L, which is supplied by Sybase. The Database interface D L L is connected  to the database client software supplied by IBM, which is  Informix - E S Q L client software for your Windows platform. The client software can go through a network layer, if any, using any supported network protocol supplied by a network or database vendor, and it connects finally to the Informix database.