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Microsoft '''ADO''' (ActiveX Data Objects) is a [[Component object model]] object for accessing data sources. It provides a layer between [[programming language]]s and [[OLE DB]] (a means of accessing data stores, whether they be [[databases]] or otherwise, in a uniform manner), which allows a developer to write programs which access data, without knowing how the database is implemented. You must be aware of your database for connection only. No knowledge of [[SQL]] is required to access a database when using ADO, although one can use ADO to execute arbitrary SQL commands. The disadvantage of this is that this introduces a dependency upon the database.
It is positioned as a successor to Microsoft's earlier object layers for accessing data sources, including [[RDO]] (Remote Data Objects) and [[Data Access Objects|DAO]] (Data Access Objects). ADO was introduced by Microsoft in the winter of [[1996]].
ADO consists of several top-level objects:
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