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ÒÔdbaµÇ½
1.²é¿´Äĸö±í±»Ëø:
  select b.owner,b.object_name,l.session_id,l.locked_mode
  from v$locked_object l, dba_objects b
  where b.object_id=l.object_id;
2.²é¿´±»Ëø±íµÄsid ºÍserial# :
  select t2.username,t2.sid,t2.serial#,t2.logon_time
  from v$locked_object t1,v$session t2
  where t1.session_id=t2.sid order by t2.logon_time;
3.Ö´ÐÐÏÂÃæµÄÓï¾ä:
  alter system kill session 'sid,serial#';


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oracle raw devices

1.LVM:
[root@vmfs ~]# pvdisplay
  --- Physical volume ---
  PV Name               /dev/sdg
  VG Name               db_v4
  PV Size  ......

oracle¾­ÑéÖ®ANY,SOME,ALLÇø±ð


ÒòΪºÜÉÙÓõ½, ËùÒÔ¼¸ºõÍü¼ÇÁËÕ⼸¸öº¯Êý, ²»¹ýËüÃÇ»¹ÊǺÜÓÐÓõÄʹÓÃËüÃÇ¿ÉÒÔ´ó´ó¼ò»¯Ò»Ð©SQLÎĵÄÓï·¨, ÖÁÓÚЧÂÊÎÊÌâ, ÈçCCWËù˵ËüÃǺÍEXISTS, IN Ö®ÀàûÓÐʲô²î±ð, ¶øÇÒÒª¾ßÌåÎÊÌâ¾ßÌå·ÖÎö
ÆäÖÐANYºÍSOMEÔÚÒâ˼ÉÏÊÇÏàͬµÄ, ¿ÉÒÔÏà»¥Ìæ´ú.
¾Ù¼¸¸öÀý×ÓÀ´ËµÃ÷ALLºÍANYµÄÓ÷¨
1. SELECT * from TABLEA WHERE FLD > AL ......

oracle sql loader


SQL*LOADERÊÇORACLEµÄÊý¾Ý¼ÓÔØ¹¤¾ß£¬Í¨³£ÓÃÀ´½«²Ù×÷ϵͳÎļþÇ¨ÒÆµ½ORACLEÊý¾Ý¿âÖС£SQL*LOADERÊÇ´óÐÍÊý¾Ý
²Ö¿âÑ¡ÔñʹÓõļÓÔØ·½·¨¡£
¡¡¡¡ÔÚNTÏ£¬SQL*LOADERµÄÃüÁîΪSQLLDR£¬ÔÚUNIXÏÂÒ»°ãΪsqlldr/sqlload¡£
¡¡¡¡ÈçÖ´ÐУºd:\oracle>sqlldr
SQL*Loader: Release 8.1.6.0.0 - Production on ÐÇÆÚ¶þ 1ÔÂ 8 11:06:42 2 ......

OracleÓû§¹ÜÀí

--´´½¨±í¿Õ¼ä
create tablespace Ãû³Æ
(
datafile='·¾¶\Ãû³Æ.ora',
size='50M',
autoextend='on'
)
/
--´´½¨ÁÙʱ±í¿Õ¼ä
create temporary tablespace Ãû³Æ
(
tempfile='·¾¶\Ãû³Æ.ora',
size='50M',
autoextend='on'
)
/
--´´½¨Óû§
create user Óû§Ãû  idtenified  by ÃÜÂë
/
--ΪÓû§Ö¸¶¨ ......

OracleÊý¾Ý¿âimpºÍexpµÄʹÓá¾×ª¡¿


1.µ¼ÈëÊý¾ÝÃüÁimp userid=fkprod/fkprod full=y file=xxx.dmp
2.µ¼³öÊý¾Ý¿â¶ÔÏóÃüÁ
ʹÓÃtools--->export user objectÖ»Äܵ¼³öÊý¾Ý±í½Å±¾²»ÄÜ´ø³öÊý¾Ý,
»òÕßʹÓÃexp user/pwd file=/dir/xxx.dmp log=xxx.log full=y commit=y ignore=y
×¢Ò⣺Èç¹ûÄãÒªÔ¶³ÌµÇ¼µ½Êý¾Ý¿â·þÎñÆ÷µ¼³ö£¬¿ÉÒÔÔÚ±¾µØSQLPLUS×öÈçÏÂÃüÁ ......
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