TRUNCATE TABLE usually does a pretty good job with removing stuff.
But why not simply set config parameter Common\ProcessState\JobHistory\LifeTime to a reasonably value and deactivate Common\ProcessState\JobHistory\IsToExport? Or leave this active but set Common\ProcessState\ExportPolicy to NONE?
TRUNCATE TABLE usually does a pretty good job with removing stuff.
But why not simply set config parameter Common\ProcessState\JobHistory\LifeTime to a reasonably value and deactivate Common\ProcessState\JobHistory\IsToExport? Or leave this active but set Common\ProcessState\ExportPolicy to NONE?