查看数据库日志切换频率
SET LINESIZE 145
SET PAGESIZE 9999
SET VERIFY off
COLUMN H00 FORMAT 999 HEADING '00'
COLUMN H01 FORMAT 999 HEADING '01'
COLUMN H02 FORMAT 999 HEADING '02'
COLUMN H03 FORMAT 999 HEADING '03'
COLUMN H04 FORMAT 999 HEADING '04'
COLUMN H05 FORMAT 999 HEADING '05'
COLUMN H06 FORMAT 999 HEADING '06'
COLUMN H07 F...
查看数据库版本及补丁情况
--数据库10.2以后可用
SET lines 100 numwidth 12 pages 100
COL action_time FOR a30
COL action FOR a12
COL version LIKE action
COL comments FOR a30
SELECT action_time, action, version, id, comments FROM dba_registry_history ORDER BY action_time;
--数据库通用
SET lines 100 numwidth 12 pages 100
COL action_time FOR a30
COL action FOR a12
COL version LIK...
查看指定表空间增长情况
set linesize 160
set pagesize 200
BREAK ON name SKIP 1
select b.name,
a.rtime,
(a.tablespace_usedsize)*(c.block_size)/1024 tablespace_usedsize_kb,
(a.tablespace_size)*(c.block_size)/1024 tablespace_size_kb,
(TABLESPACE_USEDSIZE - LAG(TABLESPACE_USEDSIZE, 1, NULL)
OVER(partition by name ORDER BY substr(a.rtime, 1, 10)))*(c.block_size)/1024 AS ...
查看enqueue
select b.sid,b.serial#,b.username,b.machine,a.event,a.wait_time,
chr(bitand(a.p1,-16777216)/16777215)||chr(bitand(a.p1, 16711680)/65535) "Enqueue Type"
from v$session_wait a,v$session b
where a.event not like 'SQL*N%' and a.event not like 'rdbms%' and a.sid=b.sid
and b.sid>8 and a.event='enqueue'
order by b.username;
查看锁阻塞者和等待者
SELECT DECODE(request,...