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PRB: Resultset Column Must be a Formal Argument When Calling Oracle Procedure

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This article was previously published under Q253353

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When you call an Oracle procedure that returns an ADO recordset through the Microsoft ODBC driver for Oracle, one of the following error messages may occur:
Microsoft OLE DB Provider for ODBC Drivers (0x80040E14) [Microsoft][ODBC driver for Oracle][Oracle]ORA-06550: line x, column x: PLS-00306: wrong number or types of arguments in call to 'PROCEDURE_NAME' ORA-06550: line x, column x: PL/SQL: Statement ignored
Microsoft OLE DB Provider for ODBC Drivers (0x80004005) [Microsoft][ODBC driver for Oracle]Resultset column must be a formal argument

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When you call an Oracle stored procedure that returns an ADO recordset using the Microsoft ODBC Driver for Oracle, you must use a call syntax similar to the following:

SQL = "{call Oracle_Package.Oracle_Procedure ({resultset xx, column1, column2, column3})}"
set cmd = CreateObject ("ADODB.Command")
set rs = CreateObject ("ADODB.Recordset")
with cmd
   set .ActiveConnection = some_connection_object
   .CommandText = SQL
   .CommandType = adCmdText
end with
set rs = cmd.execute

This call syntax is used to call an Oracle procedure, which is defined as follows:
TYPE tcolumn1 is TABLE of  NUMBER(10) 
TYPE tcolumn1 is TABLE of VARCHAR2(1000) 
TYPE tcolumn3 is TABLE of VARCHAR2(2000) 
PROCEDURE Oracle_Procedure
(column1  OUT  tcolumn1, 
column2   OUT  tcolumn2, 
column3   OUT  tcolumn3); 
END Oracle_package;
The most common cause of the error messages is that the column list in the call from the ADO code does not match the column list being returned by the Oracle procedure.

This behavior is by design.

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Make sure that the number of columns returned from the Oracle procedure matches the number of columns that you expect to be returned when you issue the call through ADO.

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More information

For additional information, click the article number below to view the article in the Microsoft Knowledge Base:
229919� HOWTO: Retrieve a Recordset from Oracle Using ADO on ASP
176086� HOWTO: Retrieve Recordsets from Oracle Stored Procs Using ADO

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Keywords: KB253353, kbprb

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Article Info
Article ID : 253353
Revision : 4
Created on : 12/3/2003
Published on : 12/3/2003
Exists online : False
Views : 546