Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

»Ö¸´oracleÖÐÓÃpl sqlÎóɾ³ýdropµôµÄ±í


²é¿´»ØÊÕÕ¾Öбí
select object_name,original_name,partition_name,type,ts_name,createtime,droptime from recyclebin;
»Ö¸´±í
SQL>flashback table test_drop to before drop;»ò
SQL>flashback table "BIN$b+XkkO1RS5K10uKo9BfmuA==$0" to before drop;
×¢£º±ØÐë9i»ò10gÒÔÉϰ汾֧³Ö£¬flashbackÎÞ·¨»Ö¸´È«ÎÄË÷Òý
ÒÔÏÂΪ²Î¿¼×ÊÁÏ
 Ê¹Óà Oracle Database 10g ÖеÄÉÁ»Ø±íÌØÐÔ£¬¿ÉÒÔºÁ²»·ÑÁ¦µØ»Ö¸´±»ÒâÍâɾ³ýµÄ±í
¡¡¡¡ÒÔÏÂÊÇÒ»¸ö²»¸Ã·¢ÉúÈ´¾­³£·¢ÉúµÄÇé¿ö£ºÓû§É¾³ýÁËÒ»¸ö·Ç³£ÖØÒªµÄ±í ¨D µ±È»ÊÇÒâÍâµØÉ¾³ý ¨D ²¢ÐèÒª¾¡¿ìµØ»Ö¸´¡££¨ÔÚijЩʱºò£¬Õâ¸ö²»ÐÒµÄÓû§¿ÉÄܾÍÊÇ DBA£¡£©
¡¡¡¡Oracle9i Database ÍÆ³öÁËÉÁ»Ø²éѯѡÏîµÄ¸ÅÄÒÔ±ã¼ìË÷¹ýȥij¸öʱ¼äµãµÄÊý¾Ý£¬µ«Ëü²»ÄÜÉÁ»Ø DDL ²Ù×÷£¬Èçɾ³ý±íµÄ²Ù×÷¡£Î¨Ò»µÄ»Ö¸´·½·¨ÊÇÔÚÁíÒ»¸öÊý¾Ý¿âÖÐʹÓñí¿Õ¼äµÄʱ¼äµã»Ö¸´£¬È»ºóʹÓõ¼³ö/µ¼Èë»òÆäËû·½·¨£¬ÔÚµ±Ç°Êý¾Ý¿âÖÐÖØÐ´´½¨±í¡£ÕâÒ»¹ý³ÌÐèÒª DBA ½øÐдóÁ¿¹¤×÷²¢ÇҺķѱ¦¹óµÄʱ¼ä£¬¸ü²»ÓÃ˵»¹ÒªÊ¹ÓÃÁíÒ»¸öÊý¾Ý¿â½øÐпË¡¡£
¡¡¡¡ÇëʹÓà Oracle Database 10g ÖеÄÉÁ»Ø±íÌØÐÔ£¬ËüʹµÃ±»É¾³ý±íµÄ»Ö¸´¹ý³ÌÈçִͬÐм¸ÌõÓï¾äÒ»Ñù¼òµ¥¡£ÈÃÎÒÃÇÀ´¿´¸ÃÌØÐÔÊÇÈçºÎ¹¤×÷µÄ¡£
¡¡¡¡É¾³ýÄǸö±í£¡
¡¡¡¡Ê×ÏÈ£¬ÈÃÎÒÃDz鿴µ±Ç°Ä£Ê½ÖÐµÄ±í¡£
¡¡¡¡SQL> select * from tab;
¡¡¡¡TNAME
¡¡¡¡TABTYPE
¡¡¡¡CLUSTERID
¡¡¡¡--------------------- - -- -- --- ------
¡¡¡¡RECYCLETEST
¡¡¡¡TABLE
¡¡¡¡ÏÖÔÚ£¬ÎÒÃÇÒâÍâµØÉ¾³ýÁË¸Ã±í£º
¡¡¡¡SQL> drop table recycletest;
¡¡¡¡Table dropped.
¡¡¡¡ÏÖÔÚÈÃÎÒÃÇÀ´²é¿´¸Ã±íµÄ״̬¡£
¡¡¡¡SQL> select * from tab;
¡¡¡¡TNAME
¡¡¡¡TABTYPE
¡¡¡¡CLUSTERID
¡¡¡¡--------------------------- - -- -- --- ------
¡¡¡¡BIN$04LhcpndanfgMAAAAAANPw==$0 TABLE
¡¡¡¡±í RECYCLETEST ÒѲ»´æÔÚ£¬µ«ÊÇÇë×¢Òâ³öÏÖбí BIN$04LhcpndanfgMAAAAAANPw==$0¡£Õâ¾ÍÊÇËù·¢ÉúµÄÊÂÇ飺±»É¾³ýµÄ±í RECYCLETEST ²¢Ã»ÓÐÍêÈ«Ïûʧ£¬¶øÊÇÖØÃüÃûΪһ¸öÓÉϵͳ¶¨ÒåµÄÃû³Æ¡£Ëü´æÔÚÓÚͬһ¸ö±í¿Õ¼äÖУ¬¾ßÓÐÓëԭʼ±íÏàͬµÄ½á¹¹¡£Èç¹ûÔڸñíÉ϶¨ÒåÁËË÷Òý»ò´¥·¢Æ÷£¬ÔòËüÃÇÒ²±»ÖØÃüÃû£¬Ê¹ÓÃÓë±íÏàͬµÄÃüÃû¹æÔò¡£ÈκÎÏà¹ØÔ´£¨Èç¹ý³Ì£©¶¼Ê§Ð§£»Ô­Ê¼±íµÄ´¥·¢Æ÷ºÍË÷Òý±»¸ÄΪ·ÅÖÃÔÚÖØÃüÃûµÄ±í BIN$04LhcpndanfgMAAAAAANPw==$0 ÉÏ£¬±£³Ö±»É¾³ý±íµÄÍêÕû¶ÔÏó½á¹¹¡£
¡¡¡¡±í¼°ÆäÏà¹Ø¶ÔÏó±»·ÅÖÃÔ


Ïà¹ØÎĵµ£º

ÃüÁîÐÐά»¤Oracle AWR

ÃüÁîÐÐά»¤Oracle AWR
 
 ÓÐʱºòÓÉÓÚÖÖÖÖÔ­Òò£¬Ö»ÄÜʹÓÃÃüÁîÐÐÀ´Î¬»¤Oracle10g¡£µ±È»ÎÒÃÇÒÀÈ»¿ÉÒÔʹÓÃstatspack£¬µ«ÓÉÓÚstatspack¹¦Äܲ»ÈçAWR£¬¶ø
ÇÒÈç¹ûʹÓÃÁ½ÖÖÐÔÄÜÕï¶Ï¹¤¾ßÒ²ÊÇÒ»ÖÖÀË·Ñ¡£Òò´ËÊÖ¶¯Î¬»¤AWR»¹ÊÇÓбØÒªµÄ£¬ÏÂÃæÁгöһЩ³£ÓõÄAWRÃüÁÒÔ±¸ºó²é¡£
   
1¡¢ÐÞ¸ÄAWRµÄ´¥·¢ÆµÂÊ
......

¡¾×ª¡¿oracle ȨÏÞ¹ÜÀíÏà¹ØÃüÁî

Ò»¡¢ÏµÍ³µÄĬÈÏÓû§
Java´úÂë
sys;//ϵͳ¹ÜÀíÔ±£¬ÓµÓÐ×î¸ßȨÏÞ     
system;//±¾µØ¹ÜÀíÔ±£¬´Î¸ßȨÏÞ     
scott;//ÆÕͨÓû§£¬ÃÜÂëĬÈÏΪtiger,ĬÈÏδ½âËø  
¶þ¡¢µÇ½
Java´úÂë
sqlplus conn / as sysdba;//µÇ½sysÕÊ»§     ......

Oracle ÈýÖÖ¼¯ºÏÊý¾ÝÀàÐ͵ıȽÏ

 Oracle ÈýÖÖ¼¯ºÏÊý¾ÝÀàÐ͵ıȽÏ:
PL/SQLÖÐûÓÐÊý×éµÄ¸ÅÄËûµÄ¼¯ºÏÊý¾ÝÀàÐͺÍÊý×éÊÇÏàËÆµÄ¡£ÔÚ7.3ÒÔǰµÄ°æ±¾ÖÐÖ»ÓÐÒ»ÖÖ¼¯ºÏ£¬³ÆÎªPL/SQL±í£¬ÔÚÕâÖ®ºóÓÖÓÐÁ½ÖÖ¼¯ºÏÊý¾ÝÀàÐÍ:ǶÌ×±íºÍvarray¡£ÆäÖÐvarray¼¯ºÏÖеÄÔªËØÊÇÓÐÊýÁ¿ÏÞÖÆµÄ£¬index_by±íºÍǶÌ×±íÊÇûÓÐÕâ¸öÏÞÖÆµÄ¡£index-by±íÊÇÏ¡ÊèµÄ£¬Ò²¾ÍÊÇ˵ϱê¿ÉÒÔ²»Á¬Ðø ......

Oracle AWR ½éÉÜ

Oracle Database 10g ÌṩÁËÒ»¸öÏÔÖø¸Ä½øµÄ¹¤¾ß£º×Ô¶¯¹¤×÷¸ºÔØÐÅÏ¢¿â (AWR:Automatic Workload Repository)¡£Oracle ½¨ÒéÓû§ÓÃÕâ¸öÈ¡´ú Statspack¡£AWR ʵÖÊÉÏÊÇÒ»¸ö Oracle µÄÄÚÖù¤¾ß£¬Ëü²É¼¯ÓëÐÔÄÜÏà¹ØµÄͳ¼ÆÊý¾Ý£¬²¢´ÓÄÇЩͳ¼ÆÊý¾ÝÖе¼³öÐÔÄÜÁ¿¶È£¬ÒÔ¸ú×ÙDZÔÚµÄÎÊÌâ¡£Óë Statspack ²»Í¬£¬¿ìÕÕÓÉÒ»¸ö³ÆÎª MMON µÄеĺó ......

OracleÍⲿ±íСÀý

1)½¨Á¢²Ù×÷ϵͳĿ¼e:\test£¬×¼±¸Êý¾ÝÎļþdept.txt²¢ÖÃÓÚe:\testÖ®ÏÂ
"10","ACCOUNTING","NEW
YORK"
"20","RESEARCH","DALLAS"
"30","SALES","CHICAGO"
"40","OPERATIONS","BOSTON"
2)´´ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ