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I'm working with Access Databases through VBA codes from Excel, but I have a
problem when typing "DROP TABLE MYTable;" (In the case that table doesn't exist) Then, how know if MYTable exists, before writing the instruction DROP TABLE. I write them my example: Dim cnn As New ADODB.Connection Set cnn = New Connection dbName = ("C:\Data\MYDataBase1.mdb") With cnn .Provider = "Microsoft.Jet.OLEDB.4.0" .Mode = adModeWrite .Properties("Jet OLEDB:Database Password") = "abc" .Open dbName End With 'Create the recordset Dim rs As ADODB.Recordset Set rs = New Recordset 'Determines what records to show Dim strSQL As String strSQL = "DROP TABLE MYTABLE;" 'Retreive the records rs.CursorLocation = adUseClient rs.Open strSQL, cnn 'close connection cnn.Close Set cnn = Nothing Set rs = Nothing |
#2
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![]() Hello Dennis , Hello Paul you may try this macro to know if a table exist Dim cnn As New ADODB.Connection Dim rsT As ADODB.Recordset Dim Verif As Boolean Dim dbName As String Set cnn = New Connection dbName = ("C:\Data\MYDataBase1.mdb") With cnn ..Provider = "Microsoft.Jet.OLEDB.4.0" ..Mode = adModeWrite ..Properties("Jet OLEDB:Database Password") = "abc" ..Open dbName End With Set rsT = cnn.OpenSchema(adSchemaTables) Verif = False While Not rsT.EOF If rsT.Fields("TABLE_NAME") = "MYTABLE" Then Verif = True rsT.MoveNext Wend If Verif = False Then MsgBox "The Table does not Exist ." Else MsgBox "the table exist" End If cnn.Close Set cnn = Nothing Set rsT = Nothing Regards , michel -- michelxld ------------------------------------------------------------------------ michelxld's Profile: http://www.excelforum.com/member.php...o&userid=17367 View this thread: http://www.excelforum.com/showthread...hreadid=397397 |
#3
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Thanks Michel, you're greatfull!
"michelxld" wrote: Hello Dennis , Hello Paul you may try this macro to know if a table exist Dim cnn As New ADODB.Connection Dim rsT As ADODB.Recordset Dim Verif As Boolean Dim dbName As String Set cnn = New Connection dbName = ("C:\Data\MYDataBase1.mdb") With cnn .Provider = "Microsoft.Jet.OLEDB.4.0" .Mode = adModeWrite .Properties("Jet OLEDB:Database Password") = "abc" .Open dbName End With Set rsT = cnn.OpenSchema(adSchemaTables) Verif = False While Not rsT.EOF If rsT.Fields("TABLE_NAME") = "MYTABLE" Then Verif = True rsT.MoveNext Wend If Verif = False Then MsgBox "The Table does not Exist ." Else MsgBox "the table exist" End If cnn.Close Set cnn = Nothing Set rsT = Nothing Regards , michel -- michelxld ------------------------------------------------------------------------ michelxld's Profile: http://www.excelforum.com/member.php...o&userid=17367 View this thread: http://www.excelforum.com/showthread...hreadid=397397 |
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