The DB2 on the iSeries is not built from the same source code as mainframe DB2, which likewise is not built from the same source code as Linux/Windows DB2. The

The DB2 on the iSeries is not built from the same source code as mainframe DB2, which likewise is not built from the same source code as Linux/Windows DB2. These may be carefully engineered to be compatible at many levels, but they are not the same thing, as Oracle might be as it is compiled for its supported platforms.