ÇósqlÓï¾ä
ÎÒÏëµÃµ½ ±±¾©ÉϺ£ÐìÖÝÎ÷ÑÅͼ ÈçºÎ¶Ô±í½øÐеü´úʵÏÖ£¿£¿ declare @t table(³ÇÊÐÃû³Æ varchar(10),Ò»µÈ½± int,¶þµÈ½± int,ÈýµÈ½± int) insert into @t select '±±¾©',2,6,11 insert into @t select 'ÉϺ£',1,4,24 insert into @t select 'ÐìÖÝ',0,7,55 insert into @t select 'Î÷ÑÅͼ',3,5,32 declare @s1 varchar(8000) --select @s1= ³ÇÊÐÃû³Æ from @t select @s1=isnull(@s1,'Ò»µÈ½±:')+isnull(³ÇÊÐÃû³Æ+ltrim(nullif(Ò»µÈ½±,0))+',','') from @t select @s1 select * from @t
СÁº²»ÊÇдÁ˵ÄÂï ÆÕͨµÄSQL ¶¯Ì¬Á´½Ó ÎÒ²»¶®°¡ Ò»¾ä»°¾Í·ÃÎÊÈ«²¿£¬Ì«ÉñÆæÁËÒýÓà ÆÕͨµÄSQL ¶¯Ì¬Á´½Ó ÎÒ²»¶®°¡ Ò»¾ä»°¾Í·ÃÎÊÈ«²¿£¬Ì«ÉñÆæÁË SQL code: declare @t table(³ÇÊÐÃû³Æ varchar(10),Ò»µÈ½± int,¶þµÈ½± int,ÈýµÈ½± int) insert into @t select '±±¾©',2,6,11 insert into @t select 'ÉϺ£',1,4,24 insert into @t select 'ÐìÖÝ',0,7,55 insert into @t select 'Î÷ÑÅͼ',3,5,32 DECLARE @STR VARCHAR(8000) SELECT @STR=ISNULL(@STR+'','')+³ÇÊÐÃû³Æ from (SELECT DISTINCT ³ÇÊÐÃû³Æ from @t)AS T SELECT @STR /*----------------------------------------------------------------------------------------------------------
Ïà¹ØÎÊ´ð£º
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 ......
´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 * ......
sql¿ÉÒÔÓÐÁ½¸öÒÔÉϵĴ¥·¢Æ÷Â𣿣¿ÎÒÖ¸µÄÊÇfor´¥·¢Æ÷£¬ÄÇÆäËûµÄÄØ£¿£¿ ʲôÒâ˼£¿ ¿ÉÒ﵀ 10¸ö¶¼Ã»ÎÊÌâ ¿ÉÊÇÎÒдÁËÁ½¸öfor insert ´¥·¢Æ÷£¬Ôì³É½ø³Ì×èÈûÁËÄØ£¿Ôõô°ìÄØ£¿Çë¸ßÈËÖ¸µã ......
access ÖÐÖ´ÐÐsql updateÓï¾äʱÓÐʱºò³É¹¦ÓÐʱºò²»³É¹¦£¬µ«ÊÇaccessÖв»³ö´íÎóÐÅÏ¢£¬²»ÖªµÀÊÇʲôÔÒò£¬ÓÐÄÄλ´óÏÀÖªµÀ£¬Çë°ïæ°¡ ÌùSQLÓï¾ä£¬¼ì²é±í¡¢×ֶεÄÓÐЧÐÔÉèÖà sql ÔÚ²éѯ·ÖÎöÆ÷ÀïÃæ Ö´ÐкÜÕý³£ ÊÇ ......
ÇëÎÊ£º 1,ÈçºÎ½«Ò»ÕÅdbf±íµ¼Èëµ½sql server2000ÖеÄÒ»ÕÅ±í¡£Ê¹ÓÃDTS¸ÃÔõÑùʵÏÖ£¿ 2,ʹÓÃÍøÉÏ´úÂ룺 Insert Into Tb_cj Select * from openrowset('MSDASQL','Driver=Microsoft Visual FoxPro D ......