Solution: Reverted back to the version of Delphi closest to the version of Oracle -- Delphi 7, Direct Oracle Access v3.4
The ORA-00600 error no longer occurs when posting from the TOraclewwDataset or TOracleDataSet.
Oracle8 Enterprise Release 8.0.4.1.0
oci.dll 11/05/2000 (no internal version)
CodeGear Delphi 2007 for Win32 R2 v 11.0.2902.10471
Windows Server 2000, All patches
Citrix Metaframe 1.5
Direct Oracle Access 407
Problem: Post from a TOraclewwDataSet results in ORA-00600. Test consists of updating...