http://www-912.ibm.com/s_dir/slkbase.NSF/515a7ef1f8deef8c8625680b00020380/9d3e03ceba505db4862567ef0037496b?OpenDocument

DB2 Universal Database for iSeries (DB2/400) supports library list qualified object names only through the use of system naming convention (*SYS). Client Access OLE DB provider only supports SQL naming convention for SQL statements and Stored Procedures. *SYS naming convention and IFS naming convention are not supported.