oracleɾ³ýËÀËøµÄsession
²é¿´Ëø±í½ø³ÌSQLÓï¾ä1£º
select sess.sid,
sess.serial#,
lo.oracle_username,
lo.os_user_name,
ao.object_name,
lo.locked_mode
from v$locked_object lo,
dba_objects ao,
v$session sess
where ao.object_id = lo.object_id and lo.session_id = sess.sid;
ɱµôËø±í½ø³Ì£º
alter system kill session 'sid,serial#';
ÈçÓмǼÔò±íʾÓÐlock£¬¼Ç¼ÏÂSIDºÍserial# £¬½«¶þÕßÁ¬½ÓÆðÀ´£¬¾Í¿ÉÒÔkill¡£ÈçÏ£º
alter system kill session '1458,15829';
Ïà¹ØÎĵµ£º
¡¡¡¡1.¾ø¶ÔÖµ
¡¡¡¡S:select abs(-1) value
¡¡¡¡O:select abs(-1) value from dual
¡¡¡¡2.È¡Õû(´ó)
¡¡¡¡S:select ceiling(-1.001) value
¡¡¡¡O:select ceil(-1.001) value from dual
¡¡¡¡3.È¡Õû£¨Ð¡£©
¡¡¡¡S:select floor(-1.001) value
¡¡¡¡O:select floor(-1.001) value from dual
¡¡¡¡4.È¡Õû£¨½ØÈ¡£©
¡¡¡¡ ......
ÏîÄ¿ÖÐÓÐÉæ¼°´æ´¢¹ý³Ì¶Ô×Ö·û´®µÄ´¦Àí£¬ËùÒԾͽ«ÔÚÍøÉϲéÕÒµ½µÄ×ÊÁÏ»ã×Ü£¬×öÒ»¸öÐÅϢƴ½ÓʽµÄ×ܽᡣ
ÒÔÏÂÐÅÏ¢¾ùÀ´×Ô»¥ÁªÍø£¬Ìù³öÀ´Ò»Ôò×Ô¼º±£´æÒÔ´ýÒÔºóʹÓã¬Ò»Ôò¹©´ó¼Ò·ÖÏí¡£
×Ö·ûº¯Êý——·µ»Ø×Ö·ûÖµ
ÕâЩº¯ÊýÈ«¶¼½ÓÊÕµÄÊÇ×Ö·û×åÀàÐ͵IJÎÊý(CHR³ýÍâ)²¢ÇÒ·µ»Ø×Ö·ûÖµ.
³ýÁËÌØ±ð˵Ã÷µÄÖ®Íâ,ÕâЩº¯Êý´ó²¿·Ö·µ» ......
1¡¢Í¨¹ýToad½«Êý¾Ý¿É½á¹¹Éú³ÉSQL£¨×¢ÒâÓû§£©¡£
[DataBase] [Export] [GenerateSchmaScript]
2¡¢´´½¨DBLink.
DROP PUBLIC DATABASE LINK "ROOT.US.ORACLE.COM";
CREATE PUBLIC DATABASE LINK "ROOT.US.ORACLE.COM"
&nb ......
ÈçºÎͨ¹ýSqlplus´´½¨Ò»¸öoracleµÄuser
1£¬Í¨¹ýsystem¹ÜÀíÔ±Á¬½Óµ½ÒªÌí¼ÓUSERµÄDB
»òÕßͨ¹ýÒÔÏÂÃüÁ Connect system/manager@user_datebase AS SYSDBA ;ÒÔSYSµÇ½ȥ´´½¨Óû§
2,´´½¨Óû§²¢·ÖÅäȨÏÞ
drop user asset cascade; ɾ³ ......