c.program,c.status,d.name,c.osuser
from v$Locked_object a,
All_objects b,
v$session c,
audit_actions d
where a.object_id=b.object_id
and a.session_id =c.sid(+)
and c.command=d.action;
alter system kill session '&1,&2';
Select a.sid,a.serial#,a.username,a.status,a.program,b.name,a.osuser
from v$session a,audit_actions b
where a.command=b.action
And username='&1';
------璋佽閿佷綇?
Select a.sid,a.serial#,a.username,A.LOCKWAIT,a.status,a.program,b.name
from v$session a,audit_actions b
where a.command=b.action
AND LOCKWAIT IS NOT NULL;
------璋佸湪閿佽〃?
Select a.sid,a.serial#,a.username,A.LOCKWAIT,a.status,a.program,b.name
from v$session a,audit_actions b
where a.command=b.action
AND STATUS='ACTIVE';
Select sid, serial#, object_name, row_wait_block#,
row_wait_row#, row_wait_file#
from all_objects, v$session
where row_wait_obj#=object_id and type='USER'
and lockwait is not null ;
Select sl.username, sl.sid, sl.serial#
from v_$lock l1, v$session s1
where exists (select * from v_$lock l2, v$session s2
where l2.sid=s2.sid and l2.id1=l1
and s2.lockwait=l2.kaddr
and request=0
and l1.sid=s1.sid) ;
select count(*) from v$session;
select count(*) from sys.v_$process;
select count(*) from sys.v_$transaction;
ZYP_35.98
------鏌ョ湅鍝簺鍖呰鍥哄畾
COLUMN OWNER FORMAT A10
Select owner, name, type,
source_size+code_size+parsed_size+error_size BYPES
from dba_object_size
where type='PACKAGE BODY' ORDER BY 4 DESC ;
------鏌ョ湅涓涓敤鎴鋒嫢鏈夊摢浜涜〃絀洪棿鐨勫疄浣撲俊鎭?
Select tablespace_name, owner, segment_name,segment_type
from dba_segments
where owner-'SyS'
and segment_type_-'ROLLBACK'
order by tablespace_name, owner, segment_name ;
break on owner on segment_name
COLUMN segment_name FORMAT A15
cOLUMN tablespace_name FORMAT A15
COLUMN file_name FORMAT A20
SELECT A.owner, a.segment_name, b.tablespace_name, b.file_name,
sum(a.bytes) bytes
from dba_extents a, dba_data_files b
where a.file_id-b.file_id group by a.owner, a.segment_name,
b.tablespace_name, b.file_name ;
------鐪嬪唴瀛樼紦鍐插尯浣跨敤鏁堢巼鐨勬寚鏁版槸鍛戒腑鐜嘓ITS:
Hits=Logical_reads/(logical_reads+physical_reads)
鍏朵腑錛歭ogical_reads=db_block_gets+consistent_reads
select cur.value db, con.value con, phy.value phy,
(cur.value+con.value)/cur.value+con.value+phy.value)*100 HITS
from v$sysstat cur, v$sysstat con, v$sysstat phy
where CUR.NAME='db block gets' AND
CON.NAME='consistent gets' AND
PHY.NAME='physical reads' ;
------濡備綍媯(gè)嫻婻OLLBACK SEGMENT绔炰簤?
select class, count from v$waitstat
where class in
('system undo header', 'system undo block',
'undo header', 'undo block') ;
select sum(value) from v$sysstat where name in
('db block gets', 'consistents gets') ;
鑻ount/sum(value)澶т簬1%錛屽垯搴旇冭檻澧炲姞ROLLBACK SEGMENT
------鏌ョ湅鏈変簨鍔″湪鍝嚑涓洖閫孌典腑錛?br />COLUMN u FORMAT A15
COLUMN s FORMAT A15
COLUMN s FORMAT A80
select osuser o, username u, segment_name s, sa.sql_text
from v$session s, v$transaction t, dba_rollback_segs r, v$sqlarea sa
where s.taddr=t.addr and t.sidusn=r.segmant_id(+)
and s.sql_address=sa.address(+) ;
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