FROM   sys.traces AS t
        CROSS APPLY FN_TRACE_GETEVENTINFO(t.id) AS tdef
        JOIN sys.trace_events AS tevent ON tdef.eventid = tevent.trace_event_id
        JOIN sys.trace_categories AS tcat ON tcat.category_id = tevent.category_id
        JOIN sys.trace_columns AS tcolumn ON tcolumn.trace_column_id = tdef.columnid