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

SQLÁ½±í¼¶Áª²Ù×÷ - MS-SQL Server / Ó¦ÓÃʵÀý

ÔÛ²»ÊǺܶ®µÃsqlÓï¾äµÄ²Ù×÷,ËùÒÔÎÊÌâ¿ÉÄÜÓеãµÍ¼¶,Ï£Íû´ó¼Ò±ð¼ûЦ.
Á½Õűí
A»õÎï±í(Huowu)
»õÎï±àºÅ(ID) »õÎïÃû³Æ(Name)ÏÈÌṩÕâôÁ½ÁÐ
B²Ö¿â±í(Cangku)
ÎïÆ·±àºÅ(ID),»õÎï±àºÅ(ºÍA±íµÄ»õÎï±àºÅÒ»ÑùHid),ÊÇ·ñÈë¿â(RuÓÃ1,0±íʾ)
ÎÒÏÖÔÚÏë×öµÄÊÇͨ¹ýSQlÓï¾ä ²éѯ³ö
A±íµÄËùÓÐÊý¾Ý,µ«ÊÇÒªÔÚÿÌõÊý¾ÝºóÃæ¼ÓÉÏÈë¿âÐÅÏ¢.¾ÍÊÇÄǸöÊÇ·ñÈë¿â1,0.
ÔÚÏߵȴý.
SQL code:
select
a.*,b.ÊÇ·ñÈë¿â
from
huowu a,cangku b
where
a.id=b.hid


SQL code:
select A.*,B.*
from A inner join B
on A.Id=B.Hid
where Ru=1


select a.id ,a.name ,b.ru
from Huowu as a left outer join Cangku as b
on a.ID = b.Hid

SQL code:
select a.*,b.Ru from huowu as a,cangku b where a.ID=b.ID


Â¥É쵀 ¶¼¿ÉÒÔ

ÒýÓÃ
ÔÛ²»ÊǺܶ®µÃsqlÓï¾äµÄ²Ù×÷,ËùÒÔÎÊÌâ¿ÉÄÜÓеãµÍ¼¶,Ï£Íû´ó¼Ò±ð¼ûЦ.
Á½Õűí
A»õÎï±í(Huowu)
»õÎï±àºÅ(ID) »õÎïÃû³Æ(Name)ÏÈÌṩÕâôÁ½ÁÐ
B²Ö¿â±í(Cangku)
ÎïÆ·±àºÅ(ID),»õÎï±àºÅ(ºÍA±íµÄ»õÎï±àºÅÒ»ÑùHid),ÊÇ·ñÈë¿â(RuÓÃ1,0±íʾ)
ÎÒÏÖÔÚÏë×öµÄÊÇͨ¹ýSQlÓï¾ä ²éѯ³ö
A±íµÄËùÓÐÊý¾Ý,µ«ÊÇÒªÔÚÿÌõÊý¾ÝºóÃæ¼ÓÉÏÈë¿âÐÅÏ¢.¾ÍÊÇÄǸöÊÇ·ñÈë¿â1,0.
¡­¡­<


Ïà¹ØÎÊ´ð£º

Asp+sql serverÎÊÌâ - Web ¿ª·¢ / ASP

ÎÒÒ»¸öÏîÄ¿£¬Óиö²åÈë²Ù×÷£¬¾ßÌåÊÇÕâÑùµÄ£º
ÎÒÓнø»õÐÅÏ¢±í¡£ÔÚ³ö»õʱѡÔñÏàÓ¦µÄ½ø»õÐÅÏ¢£¬ÊäÈëÊýÁ¿£¬Ñ¡Ôñ²¿Ãź󣬵㱣´æ°´Å¥£¬ÓÉÓÚÍøÂçÑÓʱ£¬µãÒ»ÏÂûÓз´Ó³£¬ÓÚÊÇÓû§¾ÍÓÖµãһϣ¬µ¼ÖÂÒ»´Î²åÈëÁËÁ½Ìõ¼Ç¼:
Àý£º ......

sqlÓÅ»¯ - Oracle / »ù´¡ºÍ¹ÜÀí

select count(1) from FX_RETURNBOOKCHECKLIST fxreturnbo0_ where fxreturnbo0_.BOOKID='164 ' AND fxreturnbo0_.RETURNID='00025.S0000001' 
ÉÏÃæÒ»¸ö¼òµ¥µÄSQL,Ö´ÐÐʱ¼ä2.6à ......

Á½¾äSQL²¢Ò»¾ä,ÓÐÎÊÌâ. - MS-SQL Server / »ù´¡Àà

µÚÒ»¾ä:
select ht.gfdm,gfdm.gfmc,gfdm.lb ,sum(jh.htdj*jh.htsl)as je
from ht left join gfdm on ht.gfdm=gfdm.gfdm 
 join jh on ht.htbh=jh.hth 
and ht.htbh not like'del%' and ht. ......

SQL server·Ö½âXML - MS-SQL Server / Ó¦ÓÃʵÀý

ÏÂÃæÊÇXML³õʼÎļþÄÚÈÝ
XML code:
<upd:Update xmlns:lar="http://schemas.microsoft.com/msus/2002/12/LogicalApplicabilityRules" xmlns:cmd="http://schemas.microsoft.com/msus/2002/12/Up ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ