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VB6 - Disconnected, Persistent, and Dynamic Recordsets

Because ADO has a "flat" object model hierarchy, with few dependent objects (that is, few objects that can only be accessed through other, parent objects), ADO Recordsets present some new possibilities that were not available with earlier Microsoft data object models, such as DAO.

In particular, a Recordset does not always need to be connected to a Connection object. In fact, it is possible to create a Recordset that never uses a Connection object or connects to data outside your application.

At first glance, these possibilities may seem more like curiosities than like practical features of the Recordset object, but let's look a bit more closely at the different possibilities of unconnected Recordsets:

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