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Oracle½«±íÊÚȨ¸øÓû§µÄÃüÁî
ÃüÁgrant  xxxȨÏÞ on TableA to USERA
grant select,insert,update,delete on ±íÃû to Óû§Ãû
ÀýÈ磺½«test±íµÄ²éѯȨÏÞ¸³ÓèsolidwangÕâ¸öÓû§
grant select on test to solidwang


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User Name£ºorcl
Password£ºorcl
Host String£ºorcl as sysdba
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»òÕßÒ²¿ÉÒÔʹÓÃĬÈϵÄscottÀ´µÇ¼£º ......

OracleÖÐKill sessionµÄÑо¿

ÎÒÃÇÖªµÀ,ÔÚOracleÊý¾Ý¿âÖÐ,¿ÉÒÔͨ¹ýkill sessionµÄ·½Ê½À´ÖÕÖ¹Ò»¸ö½ø³Ì,Æä»ù±¾Óï·¨½á¹¹Îª:
alter system kill session 'sid,serial#' ;
±»killµôµÄsession,״̬»á±»±ê¼ÇΪkilled,Oracle»áÔÚ¸ÃÓû§ÏÂÒ»´ÎtouchʱÇå³ý¸Ã½ø³Ì.
ÎÒÃÇ·¢ÏÖµ±Ò»¸ösession±»killµôÒԺ󣬸ÃsessionµÄpaddr±»Ð޸ģ¬Èç¹ûÓжà¸ösession±»kill£¬ÄÇô¶ ......

Oracle lpad º¯Êý

Oracle lpad º¯Êý£º
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Oracle lpadº¯Êý½«×ó±ßµÄ×Ö·û´®Ìî³äÒ»Ð©ÌØ¶¨µÄ×Ö·û£¬ÆäÓï·¨¸ñʽÈçÏ£º
lpad( string1, padded_length [, pad_string ] )
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string1ÊÇÐèÒªÕ³Ìù×Ö·ûµÄ×Ö·û´®£»
padde ......

oracleµÄ¶Áд±í²¢·¢²Ù×÷

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ÎʸöÎÊÌâ ²éѯÊý¾Ý¿â±íµÄʱºò ¸Ã±í»¹ÄÜдÊý¾ÝÂð  Êǰ´ÕÕÅŶӵÄ˳Ðò »¹Êǰ´ÕÕ²Ù×÷µÄʱ¼ä˳Ðò(²»ÖªµÀoracleÈçºÎ´¦ÀíÕâ¸öÎÊÌ⣩  ¼ÙÉèÒ»¸öÇé¿ö£ºÎÒÏÖÔÚÔÚ²éѯ¼Æ·Ñ±í£¨Õâ¸öʱ¼ä¿ÉÄÜÒª»¨10·ÖÖÓ£© 10·ÖÖÓÓÐºÜ¶à¼Æ·ÑÊý¾ÝÒªÈë¼Æ·Ñ±í£¨ÄÇÕâ¸öдÊý¾ÝÊÇÒªµÈÎÒ²éѯÍêÁËÖ®ºó²ÅÄÜдÂ𣩠дÊý¾Ý¿â¿Ï¶¨º ......

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--kill sessionÓï¾ä
alter system kill session'50,492';
--ÒÔϼ¸¸öΪÏà¹Ø±í
SELECT * from v$lock;
SELECT * from v$sqlarea;
SELECT * from v$session;
SELECT * from v$process ;      
SELECT * from v$locked_object;   
SELECT * from all_ ......
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