Oracle® Objects for OLE Developer's Guide 10g Release 1 (10.1) Part Number B10118-01 |
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This example demonstrates the use of Updatable. Copy and paste this code into the definition section of a form. Then press F5.
Sub Form_Load ()
'Declare variables as OLE Objects.
Dim OraSession As OraSession
Dim OraDatabase As OraDatabase
Dim OraDynaset As OraDynaset
'Create the OraSession Object.
Set OraSession = CreateObject("OracleInProcServer.XOraSession")
'Create the OraDatabase Object by opening a connection to Oracle.
Set OraDatabase = OraSession.OpenDatabase("ExampleDb", "scott/tiger", 0&)
'Create an updatable dynaset using a simple query.
Set OraDynaset = OraDatabase.CreateDynaset("select * from emp", 0&)
Call IsDynUpdatable(OraDynaset)
'Create a non-updatable dynaset using column aliases.
Set OraDynaset = OraDatabase.CreateDynaset("select ename EmployeeName,
empno EmployeeNumber, sal Salary from emp", 0&)
Call IsDynUpdatable(OraDynaset)
'Create a non-updatable dynaset using a join.
Set OraDynaset = OraDatabase.CreateDynaset("select ename, emp.deptno,
loc from emp, dept where emp.deptno = dept.deptno", 0&)
Call IsDynUpdatable(OraDynaset)
End Sub
Sub IsDynUpdatable (odyn As OraDynaset)
'Check to see if the dynaset is updatable.
If odyn.Updatable = True Then
MsgBox "Created an UPDATABLE dynaset from: '" & odyn.SQL & "'"
Else
MsgBox "Created a READ-ONLY dynaset from: '" & odyn.SQL & "'"
End If
End Sub