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PRB: Returning Multiple Resultsets Fails Under ADO with Microsoft Oracle OLEDB Provider and ODBC Driver

This article was previously published under Q306787
Retired KB Content Disclaimer
This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.
SYMPTOMS
When using ActiveX Data Objects (ADO), it is not possible to return two resultsets from a single Oracle package/procedure. If you attempt to return two resultsets, the following error occurs:
"The operation requested by the application is not supported by the Provider"
CAUSE
The Microsoft ODBC driver for Oracle does have this capability, but only for the special feature of returning resultsets from packages/procedures. The driver itself does not support returning multiple results on a single statement. When the Microsoft OLEDB Provider for ODBC attempts to determine if the ODBC driver supports multiple resultsets, it returns FALSE. Because the OLEDB Provider for Oracle does not support the IMultipleResults interface either, that call fails with the above error message.
RESOLUTION
There is no workaround for this problem. When using ADO, you are limited to one resultset returned per Oracle package/stored procedure.
STATUS
This behavior is by design.
REFERENCES
For additional information, click the following article numbers to view the articles in the Microsoft Knowledge Base:
174679 HOWTO: Retrieve Resultsets from Oracle Stored Procedures
239771 HOWTO: Return a Resultset from Oracle Stored Procedures into an ADO Recordset
229919 HOWTO: Retrieve a Recordset from an Oracle Stored Procedure Using ADO on ASP
multiple results oracle IMultipleResults
Properties

Article ID: 306787 - Last Review: 09/22/2003 16:54:56 - Revision: 3.0

  • Microsoft OLE DB Provider for Oracle Server 1.0
  • Microsoft OLE DB Provider for Oracle Server 1.0
  • Microsoft OLE DB Provider for Oracle Server 1.0
  • Microsoft OLE DB Provider for Oracle Server 1.0
  • Microsoft OLE DB Provider for Oracle Server 1.0
  • Microsoft ODBC for Oracle (Build 2.573.2927) 2.5
  • kbdatabase kbdriver kboracle kbprb kbprovider KB306787
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