vb6 and oracle connectivity rpoblem

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VB

Private Sub Combo4_Click()
Dim RES As New ADODB.Recordset
Dim SQL As String
SQL = "SELECT A.*, B.DIV,C.HOUSE FROM STUDENT_RECORD_DATABASE A, DIVISION B,HNM C WHERE A.DIVID = B.DIVID AND A.HID=C.HID AND ROLLNO ='" & Combo4.Text & "'"</pre>
RES.Open SQL, CON, adOpenStatic, adLockOptimistic
    If RES.RecordCount > 0 Then
<pre lang="vb">Combo2.Text = RES!DIV
        Combo9.Text = RES!HOUSE
        'Combo7.Text = RES!DNAME
        'Text9.Text = RES!DCONT
        'Combo8.Text = RES!ANM
        'Text10.Text = RES!DADD

     End If
RES.Close
End Sub

WHEN I RUN THIS CODE RUN-TIME ERROR CAME AS
ORA-00918 ERROR COLUMN AMBIGUOUSLY DEFINED
PLEASE HELP

Posted 18-Dec-12 17:52pm

surkhi

Updated 18-Dec-12 18:06pm

Wendelius

v2

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Wendelius · Accepted Answer · 2012-12-18T18:08:00

Solution 1

Most likely two or more of your tables contain a column named ROLLNO so define the table alias for it.

For example if the correct table is STUDENT_RECORD_DATABASE then the query could liike like

SQL

SELECT A.*, B.DIV,C.HOUSE FROM STUDENT_RECORD_DATABASE A, DIVISION B,HNM C WHERE A.DIVID = B.DIVID AND A.HID=C.HID AND a.ROLLNO

Posted 18-Dec-12 18:08pm

Wendelius

Comments

surkhi 19-Dec-12 0:39am

THANKS ALOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOT
U MAKE MY DAY!!!!!!!!!!!!!
THANK U SO MUCH...................

Wendelius 19-Dec-12 12:47pm

Glad it helped :)