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

sql2005ÖÐÒ»¸öxml¾ÛºÏµÄÀý×Ó

sql2005ÖÐÒ»¸öxml¾ÛºÏµÄÀý×Ó ÊÕ²Ø
¸ÃÎÊÌâÀ´×ÔÂÛ̳ÌáÎÊ£¬ÑÝʾSQL´úÂëÈçÏÂ
--½¨Á¢²âÊÔ»·¾³
set nocount on
create table test(ID varchar(20),NAME varchar(20))
insert into test select '1','aaa'
insert into test select '1','bbb'
insert into test select '1','ccc'
insert into test select '2','ddd'
insert into test select '2','eee'
go
--²âÊÔ
select *from (select distinct id from test)a
OUTER APPLY(
select value=''+(
select name from test path
where id = A.id
for xml auto)+'') b
--ɾ³ý²âÊÔ»·¾³
drop table test
set nocount off
/*--½á¹û
id value
-------------------- --------------------------------------------------------------------
1
2
*/
±¾ÎÄÀ´×ÔCSDN²©¿Í£¬×ªÔØÇë±êÃ÷³ö´¦£ºhttp://blog.csdn.net/jinjazz/archive/2008/09/10/2910561.aspx


Ïà¹ØÎĵµ£º

Asp.Net XML²Ù×÷»ùÀà(ÐÞ¸Ä,ɾ³ý,ÐÂÔö,´´½¨)

Asp.Net XML²Ù×÷»ùÀà(ÐÞ¸Ä,ɾ³ý,ÐÂÔö,´´½¨)
2009-12-21 16:59
/**********************************************************************************
*
* ¹¦ÄÜ˵Ã÷:XML´¦Àí»ùÀà
* ×÷Õß: Áõ¹¦Ñ«;
* °æ±¾:V0.1(C#2.0);ʱ¼ä:2006-12-13
*
* ******************************************************************** ......

SQL ServerÊý¾Ý²Ö¿âÏà¹Ø¸ÅÄî ά¶È±íºÍÊÂʵ±í¸ÅÊö

SQL ServerÊý¾Ý²Ö¿âÏà¹Ø¸ÅÄî-ά¶È±íºÍÊÂʵ±í¸ÅÊö ÊÕ²Ø
¿ªÊ¼Ñо¿BI£¬³õѧ¡£»á¼Ç¼һЩ¸ÅÄîÐÔµÄÎÄÕ¡£
»ù±¾¸ÅÄ
1.¶àάÊý¾Ý¼¯£º¶àάÊý¾Ý¼¯ÊÇÁª»ú·ÖÎö´¦Àí (OLAP) ÖеÄÖ÷Òª¶ÔÏó£¬ÊÇÒ»Ïî¿É¶ÔÊý¾Ý²Ö¿âÖеÄÊý¾Ý½øÐпìËÙ·ÃÎʵļ¼Êõ¡£¶àάÊý¾Ý¼¯ÊÇÒ»¸öÊý¾Ý¼¯ºÏ£¬Í¨³£´ÓÊý¾Ý²Ö¿âµÄ×Ó¼¯¹¹Ô죬²¢×éÖ¯ºÍ»ã×ܳÉÒ»¸öÓÉÒ»×éά¶ÈºÍ¶ÈÁ ......

SQL_²éѯµ±Ìì¡¢½ü¼¸Ìì¡¢±¾ÖÜ¡¢±¾ÔµÄSQLÓï¾ä

¾­³£»áÓÐʱºòÒªÓõ½²éѯµ±Ì죬½ü¼¸Ì죬±¾ÖÜ£¬±¾ÔµÄÏà¹ØÊý¾Ý£¬ËùÒԼǼһÏÂÕâЩ±È½ÏÌØÊâµÄSQLÓï¾ä~~
--µ±Ìì
(usrRegTime >=CONVERT(varchar(10),getDate(),120)+' 00:00:00' and usrRegTime <=CONVERT(varchar (10),getDate(),120)+' 23:59:59')
--½üÈýÌì
DateDiff(day,usrRegTime,getdate()) <=3
--±¾ÖÜ ......

ÎÄ˼´´ÐµÄSQL±ÊÊÔÌâ


ÌâÄ¿£ºÓÐAºÍBÁ©¸ö±í£¬¶¼¶¨ÒåÏàͬµÄÖ÷¼ü£¬Ð´³öSQLÓï¾äÕÒ³öA±íÖÐÓжøB±íÖÐûÓеļǼ£¬È»ºó°ÑûÓеļǼ²åÈëµ½B±íÖС£
SQLÓï¾äÈçÏ£º
CREATE TABLE  A_MINUS_B  AS              ---´´½¨Ò»¸ö²î¼¯±íA_MINUS_B ,×¢ÒâSELECT Óï¾äÒ»¶¨ÒªA±íÔÚǰ¡ ......

ÔÚsql*plusÏÂÉèÖÃautotrace

    ÎÒÃÇÔÚ¹¤×÷ÖÐÏ£ÍûÄÜ¿´¼û×Ô¼ºÔËÐеÄDMLÓï¾äµÄÔËÐб¨¸æ£¬ÀýÈçselect,delete,update,megreºÍinsertÓï¾äÔËÐкóµÄÇé¿ö£¬ÒÔÓÃÀ´¼àÊӺ͵÷ÓÅÓï¾ä¡£ÎÒÃÇͨ³£ÔÚsql*plusÖÐʹÓÃset autotrace on¿ªÆô¡£
    ÄÇautotraceÊÇÈçºÎ°²×°µÄÄØ£¿thomas kyteµÄ´ó×÷Öиø³öÁËÏêϸµÄ·½·¨ºÍ½âÊÍ£º
  & ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ