Used for TCustomDADataSet to perform additional query to get record count for this SELECT so the RecordCount property reflects the actual number of records.
property QueryRecCount: boolean;
If True, and the TCustomMyDataSet.FetchAll property is False, TCustomDADataSet performs additional query to get record count for this SELECT so the RecordCount property reflects the actual number of records. Does not have any effect if the TCustomMyDataSet.FetchAll property is True.