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select t2.username,t2.sid,t2.serial#,t2.logon_time
from v$locked_object t1,v$session t2
where t1.session_id=t2.sid order by t2.logon_time
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--alter system kill session 't2.sid,t2.serial#'
alter system kill session '137,40155' --µÚÒ»¸öÊý×ÖΪSID£¬µÚ¶þ¸öÊý×ÖΪSERIAL
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block --×îСi/oµ¥Î» --segment management
create tablespace james
datafile '/export/home/oracle/oradata/james.dbf'
size 100M ¡¡¡¡¡¡¡¡¡¡¡¡--³õʼµÄÎļþ´óС¡¡
autoextend On¡¡¡¡¡¡¡¡ --×Ô¶¯Ôö³¤
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exp userid=user/pass file=i:\dmpos%date:~0,10%.dmp log=i:\dmpos%date:~0,10%.log
exp userid=user/pass file=/demo/oaback/dmp/dat$tim.dmp
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