Private Sub Command_Click()
Dim st As String
Dim db As DAO.Database
Set db = DBEngine(0)(0)
st = "Insert Into [DestinationTable] ([RecID]) Select [RecID] From [SourceTable] Where [RecID] = '" & Me.[RecID] & "';"
db.Execute st, dbFailOnError
Set db = Nothing
End Sub
Note: RecID is a Primary...