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

access Êý¾Ý¿â È¥³ýÖØ¸´ ²¢ ÒÔidµ¹Ðò µÄsql д·¨


ÓÐÒ»¸ö±íΪ£º
id  name
-----------
1    xxx
2    111
3    xxx
4    333
ÒªÇó²é³öÀ´µÄ½á¹ûΪ£º
name
-----------
333
xxx
111
ÔõôʵÏÖ£¿£¿Çë½Ì¸ßÊÖ
jwdream2008

(ɽÖпÍ)

µÈ¡¡¼¶£º
#3Â¥ µÃ·Ö£º3»Ø¸´ÓÚ£º2009-10-30 15:33:03SQL codeSELECT * from TB t where not exists(select 1 from TB where t.name=name And t.id <id) order by id desc

ÔÚ´ËÌù³öÕýÈ·µÄд·¨  лл ɽÖпÍ

Ë­»Ø¸´Ï  ºÃÈÃÎÒ½áÌù£¿

±¾À´Ïë»Ø¸´£¬ÄãµÄÌû×ÓËÆºõÒѾ­ÓÐÕýÈ·´ð°¸ÁË

ÒýÓÃ
±¾À´Ïë»Ø¸´£¬ÄãµÄÌû×ÓËÆºõÒѾ­ÓÐÕýÈ·´ð°¸ÁË


ºÇºÇ  ллÁË


Ïà¹ØÎÊ´ð£º

SQLÓï¾äÎÊÌ⣬¸ßÊÖ°ïæ£¡£¡

½«Ò»¸ö±í21~30ɾ³ý£¬sqlÓï¾äÔõôд
Õâ¸öÌ«ÁýͳÁË£¬ÊÇÅÅÐòºóµÄµÚ21Ìõµ½30Ìõ¼Ç¼ɾ³ý»¹ÊÇijһÁÐÖµÔÚ21µ½30Ö®¼äµÄɾ³ý°¡£¿

21-30ÊÇʲôÒâ˼£¿×ֶεϰ¾Ídelete from table1 where col1>=21 and col1<=30
Ö¸µ ......

SQLÓï¾äЧÂÊÎÊÌâ - ÆäËûÊý¾Ý¿â¿ª·¢ / ÆäËûÊý¾Ý¿â

´ó¼Ò°ïæ¿´¿´Õâ2¸ösqlÓï¾äÄĸö²éѯµÄËٶȸü¿ìµã¡£Ð»Ð»°ïæ¡£±È½Ï׿±¡£ÔÚ×öÐÔÄܲâÊÔ¡£
select * from
  ±íA LEFT OUTER JOIN ±íB ON (±íA.id || ' ' =±íB.id) ,±íC , ±íD, ±íE
WhereÆäËûÌõ¼þ
select * ......

sqlÓï¾ä¶à±í¶à×ֶβéѯ - MS-SQL Server / »ù´¡Àà

ÎÒÓжà¸ö±íA B C ½á¹¹ÊÇÒ»ÑùµÄ£¬¶¼ÓÐ2¸ö×Ö¶ÎnameºÍcontent,ÎÒÒªËÑË÷ËùÒÔ±íËùÓÐ×Ö¶ÎÖаüº¬¡°Öйú¡±µÄÄÚÈÝ Õâ¸öSQLÓï¾äÔõôд 

ÈçºÎ½«¶à¸ö±íµÄ²éѯ½á¹ûÁ¬³ÉÒ»¸ö±í Õâ¸öSQLÓï¾äÔõôд ±íµÄ½á¹¹ÊÇÒ»ÑùµÄ
ÀýÈç£ ......

jspÁ´½Ósql2000µÄÒÉÎÊ£¿



type Exception report


message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jas ......

ACCESSµÄ×Ô¶¨Ò庯ÊýÔÚdelphiÀïÔõôÓÃÄØ...

ÎÒÔÚÄ£¿éÀï×Ô¶¨ÒåÁËÒ»¸öº¯Êý:stradd()

¿ÉÊÇÔÚadoquery1.sql.add('select stradd(author) from book');
ʱÌáʾstradd䶨Òå...

Õâ¸öÎÊÌâÓÐʲô°ì·¨¿ÉÒÔ½â¾öµÄÂð? ·Ç³£¸Ð¼¤!


(ÔÚA ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ