The control record is used by the atg.reporting.summary.ReportSummaryService. It stores the time that the last audit event was read by the summarization process. It contains the following columns:
Column Name  | Type  | Length  | Null Allowed  | Description  | 
|---|---|---|---|---|
  | varchar  | 40  | No  | Identifier; primary key.  | 
  | timestamp  | Yes  | Time the most recent report was run.  | 

