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Introduction to ADO Y.-H. Chen International College Ming-Chuan University Fall, 2004 What is ADO? ADO stands for ActiveX Data Objects. With ADO you can access and manipulate data in a database. You can move data from a server to a client, manipulate the data, and return updates to the server, with ADO's Remote Data Service (RDS). ADO and RDS are automatically installed with Microsoft IIS. 2 What is ADO? ADO is a Microsoft technology ADO stands for ActiveX Data Objects ADO is a Microsoft Active-X component ADO is automatically installed with Microsoft IIS ADO is a programming interface to access data in a database 3 What you should already know? Before you continue you should have a basic understanding of the following: – WWW, HTML and the basics of building Web pages – Active Server Pages (ASP) – Structured Query Language (SQL) 4 Accessing a Database from ASP The common way to access a database from inside an ASP page is to: – Create an ADO connection to a database – Open the database connection – Create an ADO recordset – Open the recordset – Extract the data you need from the recordset – Close the recordset – Close the connection 5