oracle ash 脚本查询,[20210112]ashtop查询特定表的SQL语句.txt

[20210112]ashtop查询特定表的SQL语句.txt

--//ashtop.sql是Tanel Poder大师写的查看 Display top ASH time 的脚本,它非常灵活.

--//例如有时候优化我要集中精力优化特定表的相关语句,这样可以统筹考虑索引的建立,执行如下:

@ ashtop username,sql_id,module,machine "sql_id in (select sql_id from v$sqlarea where lower(sql_text) like '%ms_cf01%')" trunc(sysdate) sysdate

--//这样有一个缺点就是sql_text 定义为VARCHAR2(1000),应该换成sql_fulltext字段.

--//toad下查询有一个缺点仅仅查询sql_text字段.

--//我自己在ashtop基础上写一个脚本如下:

$ cat ashtable.sql

column module format a30

prompt

prompt @ tpt/&&1.ashtop username,sql_id,module "&&3 and sql_id in (select sql_id from v$sqlarea where lower(sql_fulltext) like lower('%&&2%'))" &&4 &&5

prompt

@ tpt/&&1.ashtop username,sql_id,module "&&3 and sql_id in (select sql_id from v$sqlarea where lower(sql_fulltext) like lower('%&&2%'))" &&4 &&5

--//简单说明:

--//参数1 '' d ,''表示执行ashtop,d 表示执行dashtop.

--//参数2 查询相关的表

--//参数3 补充查询条件

--//参数4,5 查询时间范围.我一般选择查询trunc(sysdate-1) sysdate,这样简单一些.

--//如果打入具体时间最好不要有空格 ,选择yyyymmddhh24miss格式.

--//写成 "to_date('20210112080000','yyyymmddhh24miss')" "to_date('20210112090000','yyyymmddhh24miss')"

--//我自己定义3个alias:

alias zdate='date +"%Y/%m/%d %T"'

alias zzdate="date +'trunc(sysdate)+%H/24+%M/1440+%S/86400 == %Y/%m/%d %T'"

alias zzzdate="date +'%Y%m%d%H%M%S'"

$ zdate ;zzdate ;zzzdate

2021/01/12 16:03:53

trunc(sysdate)+16/24+03/1440+53/86400 == 2021/01/12 16:03:53

20210112160353

--//可以选择第2种格式,这样不容易错.

SCOTT@book> select trunc(sysdate)+16/24+03/1440+53/86400 aa from dual ;

-------------------

2021-01-12 16:03:53

--//测试如下:

SYS@192.168.31.8:1521/hrp430> @ ver

BANNER

--------------------------------------------------------------------------------

Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

SYS> @ ashtable d ms_cf01 "1=1" trunc(sysdate-1) sysdate

@ tpt/dashtop username,sql_id,module "1=1 and sql_id in (select sql_id from v$sqlarea where lower(sql_fulltext) like '%ms_cf01%')" trunc(sysdate-1) sysdate

%This USERNAME SQL_ID MODULE TotalSeconds FIRST_SEEN LAST_SEEN

------ -------------------- ------------- ------------------------------ ------------ ------------------- -------------------

75% XXXYYY_HIS fcqbzpqstq4ns XXXYYY.EXE 660 2021-01-11 08:46:17 2021-01-12 10:49:46

13% XXXYYY_HIS abwrcfvwk3g18 XXXYYY.EXE 110 2021-01-11 11:05:52 2021-01-12 13:18:30

2% XXXYYY_HIS 40dgpux1au2dx httpd.exe 20 2021-01-11 09:27:52 2021-01-11 09:28:22

2% XXXYYY_HIS 7nsf4avvugcd2 XXXYYY.EXE 20 2021-01-11 17:02:36 2021-01-12 11:30:00

1% XXXYYY_HIS 0189dt8bnpc5h XXXYYY.EXE 10 2021-01-11 16:51:25 2021-01-11 16:51:25

1% XXXYYY_HIS 20abadqmfqytr XXXYYY.EXE 10 2021-01-11 19:42:31 2021-01-11 19:42:31

1% XXXYYY_HIS 7taw1y68rgb3j XXXYYY.EXE 10 2021-01-12 10:42:55 2021-01-12 10:42:55

1% XXXYYY_HIS 9s3xvyzrgf8hr XXXYYY.EXE 10 2021-01-11 08:53:28 2021-01-11 08:53:28

1% XXXYYY_HIS bwwx64v9by0c8 XXXYYY.EXE 10 2021-01-12 10:41:35 2021-01-12 10:41:35

1% SYS 0r91tqwyxd3gm sqlplus@zzzzzzz4 (TNS V1-V3) 10 2021-01-12 10:59:57 2021-01-12 10:59:57

1% SYS f5w07uwyh1t78 sqlplus@zzzzzzz4 (TNS V1-V3) 10 2021-01-12 09:13:36 2021-01-12 09:13:36

11 rows selected.

SYS> @ ashtable d ms_cf01 "module<>'sqlplus@zzzzzzz4 (TNS V1-V3)'" trunc(sysdate-1) sysdate

@ tpt/dashtop username,sql_id,module "module<>'sqlplus@zzzzzzz4 (TNS V1-V3)' and sql_id in (select sql_id from v$sqlarea where lower(sql_fulltext) like '%ms_cf01%')" trunc(sysdate-1) sysdate

%This USERNAME SQL_ID MODULE TotalSeconds FIRST_SEEN LAST_SEEN

------ -------------------- ------------- ------------------------------ ------------ ------------------- -------------------

77% XXXYYY_HIS fcqbzpqstq4ns XXXYYY.EXE 660 2021-01-11 08:46:17 2021-01-12 10:49:46