oracle如何查询历史最大进程数？

oracle如何查询历史最大进程数？

SQL> desc dba_hist_resource_limitName                                                 Null?    Type---------------------------------------------------- -------- ------------------------------------SNAP_ID                                              NOT NULL NUMBERDBID                                                 NOT NULL NUMBERINSTANCE_NUMBER                                      NOT NULL NUMBERRESOURCE_NAME                                        NOT NULL VARCHAR2(30)CURRENT_UTILIZATION                                           NUMBERMAX_UTILIZATION                                               NUMBERINITIAL_ALLOCATION                                            VARCHAR2(10)LIMIT_VALUE                                                   VARCHAR2(10)CON_DBID                                                      NUMBERCON_ID                                                        NUMBER

set line 300
col resource_name for a15
select res.instance_number,to_char(snap.end_interval_time, 'yyyy-mm-dd hh24:mi:ss') snap_time,resource_name,current_utilization,max_utilization,res.limit_valuefrom dba_hist_resource_limit res, dba_hist_snapshot snapwhere res.snap_id = snap.snap_id and res.instance_number=snap.instance_numberand resource_name in ('processes', 'sessions')order by 3,2 desc

输出结果：