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

OracleÊý¾Ý¿âÖ÷»úÃûÖØ¹¹£¨For Windows£©

ÔÚNet Manager¹¤¾ßÖУ¬  
  ½«¼àÌý³ÌÐòµÄ¼àÌýλÖõÄÖ÷»úÃû¸ÄΪ  лúÃû  
  ½«·þÎñÃûÖжÔÓ¦Êý¾Ý¿âµÄÖ÷»úÃû¸ÄΪ  лúÃû  
   
  ¸ÄÁ˼àÌý³ÌÐòºó£¬ÔÚMS-DOSÖÐÔËÐР 
  lsnrctl   stop  
  lsnrctl   start
  (ÖØÆô¼àÌý³ÌÐò£¬Èç¹ûûÓÐÆô¶¯¼àÌý£¬¿ÉÒÔʡȥ´Ë²½Öè)


Ïà¹ØÎĵµ£º

±Ê¼Ç£ºOracle³£Ó÷ÖÎöº¯Êý

Oracle³£Ó÷ÖÎöº¯Êý
ROW_NUMBER
·µ»ØÓÐÐò×éÖÐÒ»ÐÐµÄÆ«ÒÆÁ¿£¬´Ó¶ø¿ÉÓÃÓÚ°´Ìض¨±ê×¼ÅÅÐòµÄÐкÅ
row_number() over(partition by ... order by ...)
RANK
¸ù¾ÝORDER BY×Ó¾äÖбí´ïʽµÄÖµ£¬´Ó²éѯ·µ»ØµÄÿһÐУ¬¼ÆËãËüÃÇÓëÆäËüÐеÄÏà¶ÔλÖá£×éÄÚµÄÊý¾Ý°´ORDER BY×Ó¾äÅÅÐò£¬È»ºó¸øÃ¿Ò»Ðи³Ò»¸öºÅ£¬´Ó¶øÐγÉÒ»¸öÐòÁУ¬¸ÃÐòÁ ......

ORACLE°ó¶¨±äÁ¿µÄʹÓà ժ³­×ÔһƬÌû×Ó

±¾ÎÄÀ´×Ôhttp://www.cnblogs.com/rootq/articles/1177562.html
Oracle Êý¾Ý¿âµÄ°ó¶¨±äÁ¿ÌØÐÔ¼°Ó¦ÓÃ
¹Ø¼ü´Ê:
°ó¶¨±äÁ¿(binding variable),¹²Ïí³Ø(shared buffer pool), SGA(system global area);
ÔÚ¿ª·¢Ò»¸öÊý¾Ý¿âϵͳǰ,ÓÐË­¶ÔOracle ϵͳÁ˽âºÜ¶à,ÓÈÆäÊÇËüµÄÌØÐÔ,ºÃÏóºÜÉÙ°É;¶Ô³õѧÕßÀ´½²,Õâ¸üÊDz»¿ÉÄܵÄÊÂÇé;½ö½ö¼òµ ......

oracle——·ÖÎöº¯ÊýOVER ()

·ÖÎöº¯ÊýÓÃÓÚ¼ÆËã»ùÓÚ×éµÄijÖÖ¾ÛºÏÖµ£¬ËüºÍ¾ÛºÏº¯ÊýµÄ²»Í¬Ö®´¦ÊÇ
¶ÔÓÚÿ¸ö×é·µ»Ø¶àÐУ¬¶ø¾ÛºÏº¯Êý¶ÔÓÚÿ¸ö×éÖ»·µ»ØÒ»ÐС£
SQL> select t.empno,t.ename,sum(t.sal)
2 from emp t;
select t.empno,t.ename,sum(t.sal)
*
ERROR at line 1:
ORA-00937: not a single-group group function
SQL> selec ......

ά»¤Oracle³£ÓÃSQLÓï¾ä

       ÈçºÎÔ¶³ÌÅжÏOracleÊý¾Ý¿âµÄ°²×°Æ½Ì¨
¡¡¡¡select * from v$version;
¡¡¡¡²é¿´±í¿Õ¼äµÄʹÓÃÇé¿ö
¡¡¡¡select sum(bytes)/(1024*1024) as free_space,tablespace_name
¡¡¡¡from dba_free_space
¡¡¡¡group by tablespace_name;
¡¡¡¡SELECT A.TABLESPACE_NAME,A.BYTES TOTAL,B.BYTES ......

oracle 10.2.0.4ÏÂÔØµØÖ·


ÏÂÔØ·½·¨£ºÔÚÏÂÃæµÄÁ¬½ÓÉϵã»÷ÓÒ¼ü£¬Ñ¡ÔñʹÓÃѸÀ×ÏÂÔØ¡£Ê¹ÓñðµÄÏÂÔØ¹¤¾ßÎÞ·¨ÏÂÔØ¡£
oracle 10.2.0.4 ²¹¶¡ÏÂÔØ£¨ÊÊÓÃÓÚËùÓвÙ×÷ϵͳ£©:
ftp://updates.oracle.com/6810189/p6810189_10204_AIX5L.zip
ftp://updates.oracle.com/6810189/p6810189_10204_HPUX-IA64.zip
ftp://updates.oracle.com/6810189/p6810189_10204 ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ