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How to: Create a DAO Recordset From a Query

Office 2007

You can create a Recordset object based on a stored select query. In the following example, Current Product List is an existing select query stored in the current database:

Dim dbsNorthwind As DAO.Database
Dim rstProducts As DAO.Recordset

Set dbsNorthwind = CurrentDb
Set rstProducts = dbsNorthwind.OpenRecordset("Current Product List")

If a stored select query does not already exist, the OpenRecordset method also accepts an SQL string instead of the name of a query. The previous example can be rewritten as follows:

Dim dbsNorthwind As DAO.Database
Dim rstProducts As DAO.Recordset
Dim strSQL As String

Set dbsNorthwind = CurrentDb
strSQL = "SELECT * FROM Products WHERE Discontinued = No " & _
         "ORDER BY ProductName"
Set rstProducts = dbsNorthwind.OpenRecordset(strSQL)

The disadvantage of this approach is that the query string must be compiled each time it runs, whereas the stored query is compiled the first time it is saved, which usually results in slightly better performance.



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