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     MDAC, OLE DB, ADO, Visual Basic, and Advantage

Advantage Database Server v8.1: A Developer’s Guide

by Cary Jensen and Loy Anderson

  © 2007 Cary Jensen and Loy Anderson. All rights reserved.

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ADO (ActiveX data objects) provides the API (application programming interface) part of MDAC (Microsoft Data Access Components). MDAC is the implementation of Microsoft's Universal Data Access strategy, which is designed to provide a high-performance, language-independent data access layer in the 32-bit Windows operating system.

This chapter provides you with an introduction to MDAC, and ADO in particular. Because ADO is language neutral, the examples presented in this chapter could have been produced using any one of a wide variety of programming languages. Due to its popularity, and heavy reliance on ADO for data access, we have chosen Visual Basic 6.

This chapter begins with a high-level introduction to ADO and OLE DB. It then continues by showing you how to access your Advantage data using ADO.