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Chapter 18. Creating Dynamic Web Pages > Using the IDC for Delivering Informati...

Using the IDC for Delivering Information

The IDC is an Internet Services API (ISAPI) application that simplifies the creation of active Web pages. These Web pages automatically deliver updated information and let users process queries against any database for which a 32-bit ODBC driver is available. ISAPI applications use Windows dynamic link libraries (DLLs) as a substitute for the Common Gateway Interface (CGI) applications (scripts) originally developed for UNIX Web servers. ISAPI runs only on Microsoft's Internet Information Server and Personal Web Server. The advantage of ISAPI DLLs is that they run in the Web server's process space, which makes ISAPI DLLs run faster than executable CGI applications. IDC is implemented by Httpodbc.dll, a 32-bit ISAPI DLL.

An IDC application requires the following two types of files:


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