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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
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  where t1.session_id=t2.sid order by t2.logon_time;
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Oracle Waits event:DB File Scattered Read

The DB File Scattered Read wait event generally indicates waits related to full table scans or fast
full index scans. As full table scans are pulled into memory, they are scattered throughout the
buffer cache, since it is usually unlikely that they fall into contiguous buffers. A large numb ......

Oracle & SUN£¬ÑϾþµÄÌôÕ½£¨Ò»£©

      ½ñÌì²Î¼ÓÁËOracle & SUNºÏ²¢ºóµÚÒ»´ÎÓëºÏ×÷»ï°é¼°¿Í»§µÄÍ¨Æø»á¡£Õû¸ö»áÒ鏸ÎҵĸоõÊÇ£ºOracleÐÛÐIJª²ª£¬SUNÒâÆø·ç·¢£¬¶øÎÒ×Ô¼º£¬ÐÄ»³ã·ã·¡£       OracleÓÐÁËSUN£¬ÄÇô´ÓÓ²¼þµ½Èí¼þOracleµÄ²úÆ·Ïß¾ÍÊ®·ÖÆë±¸ÁË¡£Oracle°ëÄêÇ°ÍÆ³ö11gR2 for linux£¬½Ó×Åfor solar ......

ÓÅ»¯select count(*) (תoracleÅàѵÀÏʦµÄÎÄÕÂ)


select count(*) from t1;
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Oracle wait problems and potential solutions

Wait Problem Potential Fix Sequential Read Indicates many index reads—tune the code (especially joins) Scattered Read Indicates many full table scans—tune the code; cache small tables ......

Óà Navicat for Oracle ¹ÜÀí Oracle10g/11g Êý¾Ý¿â


    Navicat for xxx ÊÇÒ»¸öÓÅÐãµÄÊý¾Ý¿â¹ÜÀí¿Í»§¶Ë£¬ÓÐ MySQL¡¢Oracle µÈ°æ±¾¡£½¨Òé´ó¼Ò×îºÃÓà Enterprise °æ±¾£¬¹¦ÄÜÈ«ÃæÒ»Ð©£¬µ«½ÏÖ®ÓÚÃâ·ÑµÄ Lite °æ£¬ÆóÒµ°æ¿ÉÊÇÒª»¨Òø×ÓÂòµÄ¡£
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