查詢Oracle正在執(zhí)行的sql語句及執(zhí)行該語句的用戶:
SELECT b.sid oracleID,
b.username 登錄Oracle用戶名,
b.serial#,
spid 操作系統(tǒng)ID,
paddr,
sql_text 正在執(zhí)行的SQL,
b.machine 計算機名
FROM v$process a, v$session b, v$sqlarea c
WHERE a.addr = b.paddr
AND b.sql_hash_value = c.hash_value
查看正在執(zhí)行sql的發(fā)起者的發(fā)放程序:
SELECT OSUSER 電腦登錄身份,
PROGRAM 發(fā)起請求的程序,
USERNAME 登錄系統(tǒng)的用戶名,
SCHEMANAME,
B.Cpu_Time 花費cpu的時間,
STATUS,
B.SQL_TEXT 執(zhí)行的sql
FROM V$SESSION A
LEFT JOIN V$SQL B ON A.SQL_ADDRESS = B.ADDRESS
AND A.SQL_HASH_VALUE = B.HASH_VALUE
ORDER BY b.cpu_time DESC
查出oracle當前的被鎖對象:
SELECT l.session_id sid,
s.serial#,
l.locked_mode 鎖模式,
l.oracle_username 登錄用戶,
l.os_user_name 登錄機器用戶名,
s.machine 機器名,
s.terminal 終端用戶名,
o.object_name 被鎖對象名,
s.logon_time 登錄數(shù)據(jù)庫時間
FROM v$locked_object l, all_objects o, v$session s
WHERE l.object_id = o.object_id
AND l.session_id = s.sid
ORDER BY sid, s.serial#;
kill掉當前的鎖對象:
alter system kill session 'sid, s.serial#‘;
查詢當前正在執(zhí)行的事務:
SELECT s.sid,
s.serial#,
s.event,
a.sql_text,
a.sql_fulltext,
s.username,
s.status,
s.machine,
s.terminal,
s.program,
a.executions,
s.sql_id,
p.spid,
a.direct_writes
FROM (SELECT * FROM v$session WHERE status = 'ACTIVE') s
LEFT JOIN v$sqlarea a
ON s.sql_id = a.sql_id
INNER JOIN v$process p
ON s.paddr = p.addr
查看Oracle 數(shù)據(jù)庫中的長事務:
set linesize 200
set pagesize 5000
col transaction_duration format a45
with transaction_details as
( select inst_id
, ses_addr
, sysdate - start_date as diff
from gv$transaction
)
select s.username
, to_char(trunc(t.diff))
|| ' days, '
|| to_char(trunc(mod(t.diff * 24,24)))
|| ' hours, '
|| to_char(trunc(mod(t.diff * 24 * 60,24)))
|| ' minutes, '
|| to_char(trunc(mod(t.diff * 24 * 60 * 60,60)))
|| ' seconds' as transaction_duration
, s.program
, s.terminal
, s.status
, s.sid
, s.serial#
from gv$session s
, transaction_details t
where s.inst_id = t.inst_id
and s.saddr = t.ses_addr
order by t.diff desc
/
查詢長事務SQL:
下面SQL 查詢數(shù)據(jù)庫中正在執(zhí)行大于N秒的事務信息:
with ltr as (
select to_char(sysdate,'YYYYMMDDHH24MISS') TM,
s.sid,
s.sql_id,
s.sql_child_number,
s.prev_sql_id,
xid,
to_char(t.start_date,'YYYYMMDDHH24MISS') start_time,
e.TYPE,e.block,
e.ctime,
decode(e.CTIME, 0, (sysdate - t.start_date) * 3600*24, e.ctime) el_second
-- q.sql_text
from v$transaction t, v$session s,v$transaction_enqueue e
where t.start_date <= sysdate - interval '100' second /*查詢開始多少秒的事務*/
and t.addr = s.taddr
--and s.sql_child_number = q.CHILD_NUMBER(+)
--and s.sql_id = q.sql_id(+) and s.prev_sql_id = q.sql_id(+)
and t.addr = e.addr(+) )
select ltr.* , (select q1.sql_text from v$sql q1 where ltr.prev_sql_id = q1.sql_id(+)
and rownum = 1) prev_sql_text ,
(select q1.sql_text from v$sql q1 where ltr.sql_id = q1.sql_id(+)
and ltr.sql_child_number = q1.CHILD_NUMBER(+)) sql_text
from ltr ltr;
本文題目:查詢oracle正在執(zhí)行的SQL和事務
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