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

¹ØÓÚORACLE¼àÌý·þÎñÎÞ·¨Æô¶¯µÄÎÊÌâ

½ñÌìµçÄÔÄûؼң¬Æô¶¯oracleÊý¾Ý¿âµÄ¼àÌý·þÎñʱ·¢ÏÖÎÞ·¨Æô¶¯¡£¸ø³öµÄ´íÎóÌáʾÊÇ˵£¬Õâ¸ö·þÎñÆô¶¯ÁËÓÖÍ£Ö¹ÁË£¬²»ÖªµÀÊÇΪʲô¡£ÒòΪÔÚѧУµÄʱºòÓÃÊÇûÓÐÎÊÌâµÄ¡£ÎÒÏëÓ¦¸ÃÊÇÒòΪipµÄÊÇÎÊÌâ¡£ÔÚÍøÉϲéÁËһϣºÄãÊÇ·ñÐÞ¸ÄÄãµÄ»úÆ÷Ãû»òIPµØÖ·£¬Èç¹ûÓÐÐ޸쬰ÑORACLE\ora81\network\admin\listener.oraÎļþÖеÄhostÐÞ¸ÄΪлúÆ÷Ãû»òIP¡£ÎÒÓõÄÊÇoracle 10g£¬listener.oraµÄĿ¼ÔÚD:\oracle\product\10.1.0\db_1\NETWORK\ADMINÏ¡£listener.oraÎļþµÄÄÚÈÝÈçÏ£º
# listener.ora Network Configuration File: d:\oracle\product\10.1.0\db_1\network\admin\listener.ora
# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = d:\oracle\product\10.1.0\db_1)
      (PROGRAM = extproc)
    )
  )
LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
      )
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.5)(PORT = 1521))
      )
    )
  )
ÐÞ¸ÄΪ£º
# listener.ora Network Configuration File: d:\oracle\product\10.1.0\db_1\network\admin\listener.ora
# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = d:\oracle\product\10.1.0\db_1)
      (PROGRAM = extproc)
    )
  )
LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
   


Ïà¹ØÎĵµ£º

ORACLE³£¼ûÎÊÌâ1000ÎÊ(Ö®Æß)

ORACLEÄÚ²¿º¯Êýƪ
¡¡¡¡ 255. CHARTOROWID(CHAR)
¡¡¡¡ ½«°üº¬ÍⲿÓï·¨ROWIDµÄCHAR»òVARCHAR2Êýֵת»»ÎªÄÚ²¿µÄ¶þ½øÖÆÓï·¨,²ÎÊýCHAR±ØÐëÊǰüº¬ÍⲿÓï·¨µÄROWIDµÄ18×Ö·ûµÄ×Ö·û´®.
¡¡¡¡ SELECT NAME from BSEMPMS WHERE ROWID=CHARTOROWID('AAAAfZAABAAACp8AAO');
¡¡¡¡ NAME : LEIXUE
¡¡¡¡ 256. CONVERT(CHAR,DEST_CHA ......

ORACLE³£¼ûÎÊÌâ1000ÎÊ(Ö®°Ë)

9I¹ÜÀíµÄV$ÊÓͼ¡£
¡¡¡¡281. V$ACCESS
¡¡¡¡ÏÔʾµ±Ç°±»Ëø¶¨µÄÊý¾Ý¿âÖеĶÔÏó¼°ÕýÔÚ·ÃÎÊËûÃǵĻỰ.
¡¡¡¡282. V$ACTIVE_INSTANCES
¡¡¡¡Îªµ±Ç°°²×°µÄÊý¾Ý¿âÖгöÏÖµÄËùÓÐʵÀý½¨Á¢´ÓʵÀýÃûµ½ÊµÀýºÅµÄÓ³Ïñ.
¡¡¡¡283. V$ACTIVE_SESS_POOL_MTH
¡¡¡¡ËùÓлµÄ»á»°³Ø×ÊÔ´·ÖÅä·½·¨.
¡¡¡¡284. V$AQ
¡¡¡¡µ±Ç°Êý¾Ý¿âÖеĶÓÁеÄͳ¼ ......

ORACLE³£¼ûÎÊÌâ1000ÎÊ(֮ʮһ)

645. USER_ALL_TABLES
°üº¬¶ÔÓû§¿ÉÓõıíµÄÃèÊö.
646. USER_ARGUMENTS
Áгö¶ÔÓû§¿É´æÈ¡µÄ¶ÔÏóÖеIJÎÊý.
647. USER_ASSOCIATIONS
µ±Ç°Óû§ËùÓµÓеÄÏà¹Ø¶ÔÏóµÄÓû§¶¨ÒåµÄͳ¼Æ.
648. USER_AUDIT_OBJECT
¹ØÓÚ¶ÔÏóµÄÓï¾äÉ󼯏ú×ټǼ.
649. USER_AUDIT_SESSION
¹ØÓÚÓû§Á¬½Ó»ò¶Ï¿ªµÄÈ«²¿É󼯏ú×ټǼ.
650. USER_AUD ......

sqlserverºÍoracle³£Óú¯Êý¶Ô±È

sqlserverºÍoracle³£Óú¯Êý¶Ô±È
Êýѧº¯Êý
¡¡¡¡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(-1.0 ......

oracle dbms_stats °ü

    oracle 8i ÒÔºó¼Ó´¦µÄ¹¦ÄÜ£¬Oracleר¼Ò¿Éͨ¹ýÒ»ÖÖ¼òµ¥µÄ·½Ê½À´ÎªCBOÊÕ¼¯Í³¼ÆÊý¾Ý¡£Ä¿Ç°£¬ÒѾ­²»ÔÙÍÆ¼öÄãʹÓÃÀÏʽµÄ·ÖÎö±íºÍdbms_utility·½·¨À´Éú³ÉCBOͳ¼ÆÊý¾Ý¡£ÄÇЩ¹ÅÀϵķ½Ê½ÉõÖÁÓпÉÄÜΣ¼°SQLµÄÐÔÄÜ£¬ÒòΪËüÃDz¢·Ç×ÜÊÇÄܹ»²¶×½µ½ÓйرíºÍË÷ÒýµÄ¸ßÖÊÁ¿ÐÅÏ¢¡£ CBOʹÓöÔÏóͳ¼Æ£¬ÎªËùÓÐSQLÓï¾äÑ¡Ôñ×î¼Ñµ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ