This example demonstrates the Clustered property of an Index. Note that Microsoft Jet databases do not support clustered indexes, so this example will return False for the Clustered property of all indexes in the Northwind database.
Sub ClusteredX()
Dim cnn As New ADODB.Connection
Dim cat As New ADOX.Catalog
Dim tblLoop As ADOX.Table
Dim idxLoop As ADOX.Index
Dim strCnn as String
StrCnn = "Provider=SQLOLEDB;Data Source=srv;Initial Catalog=pubs;" & _
"User Id=sa;Password=;"
' Connect the catalog.
cnn.Open strCnn
cat.ActiveConnection = cnn
' Enumerate Tables
For Each tblLoop In cat.Tables
'Enumerate Indexes
For Each idxLoop In tblLoop.Indexes
Debug.Print tblLoop.Name & " " & _
idxLoop.Name & " " & idxLoop.Clustered
Next idxLoop
Next tblLoop
End Sub