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

ORACLE²éѯ³ö±íÖеÄ×Ö¶ÎÁбí

 SELECT max(SYS_CONNECT_BY_PATH(COLUMN_NAME, ','))
  from (SELECT A.COLUMN_NAME, ROWNUM AS ROWNO
          from USER_TAB_COLUMNS A
         WHERE TABLE_NAME = 'A_USER'
         order by a.COLUMN_ID)
start with ROWNO = 1
connect by ROWNO = rownum;


Ïà¹ØÎĵµ£º

oracle·¢ËÍÓʼþ´æ´¢¹ý³Ì:

oracle·¢ËÍÓʼþ´æ´¢¹ý³Ì:
create or replace procedure bsd_sendemail(
p_receiver varchar2,
p_sub varchar2,
p_txt varchar2)
is
p_user varchar2(30):='';
p_pass varchar2(30):='';
p_sendor varchar2(20):='Gnie';
p_server varchar2(20):='Mail_Server_IP';
p_port number:=25;
p_need_smtp number:=0;
p ......

oracle grant connect,resource to user°üÀ¨µÄȨÏÞ

http://hi.baidu.com/aku88168/blog/item/fa727454ec008553564e00e8.html
CONNECT½ÇÉ«£º    --ÊÇÊÚÓè×îÖÕÓû§µÄµäÐÍȨÀû£¬×î»ù±¾µÄ   
    
   ALTER    SESSION    --Ð޸ĻỰ   
   CREATE&nbs ......

OracleÊý¾Ý¿âʹÓü°ÃüÃû¹æÔòµÄÏê½â

¹«Ë¾Òѽ¨Á¢µÄ»ò´ý½¨Á¢µÄÍøÕ¾£¬È磺ÖÐÎÄÕ¾£¨CHINA£©£¬¹ú¼ÊÕ¾£¨ALIBABA£©£¬»ªÉÌÕ¾£¨CHINESE£©µÈ¡£
OLPS
Online process system£¬ÔÚÏß´¦Àíϵͳ£¬¼´ÎÒÃǵĻáÔ±¿ÉÒÔä¯ÀÀµÄÍøÕ¾ËùÁ¬½ÓµÄÊý¾Ý¿â£¬Ò²ÊÇÎÒÃÇËù˵µÄǰ̨¡£
BOPS
Back Office process system£¬ºǫ́´¦Àíϵͳ£¬¼´ÎÒÃǵÄÍøÕ¾µÄ·¢²¼ÏµÍ³¡£
BZO
Business Object(?)£¬¹«Ë ......

Oracle Shrink Table

½ñÌìÔÚ´÷Ã÷Ã÷ͬѧµÄÒ»¸ö»ØÌûÀï¸øÁ˸ö¹ØÓÚShrinkÃüÁîµÄÌû×Ó£¬×ª¹ýÀ´Ñ§Ï°Ñ§Ï°~
=============================================================================================
´Ó10g¿ªÊ¼£¬oracle¿ªÊ¼ÌṩShrinkµÄÃüÁ¼ÙÈçÎÒÃǵıí¿Õ¼äÖÐÖ§³Ö×Ô¶¯¶Î¿Õ¼ä¹ÜÀí (ASSM),¾Í¿ÉÒÔʹÓÃÕâ¸öÌØÐÔËõС¶Î£¬¼´½µµÍHWM¡£ÕâÀïÐèҪǿµ÷ ......

SQL ServerºÍOracle³£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(-1.001) value from dual
4.È¡Õû£¨½ØÈ¡£©
S:select cast(-1.002 as in ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ