The following PX graphic looks at history data that was pulled from both local and archived sources using an archive provider for an Oracle database. You can configure MySQL and SQL server databases accordingly. All that is required is to set up the Rdb Archive History Providers to reference those databases as well.

Figure 8.   PX report drawing from local and archived history data

To debug queries, you can turn on a new "rdb.archiveHistoryProvider" logger to FINE level.