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fName fValue fType fEmployeeID
»ù±¾¹¤×Ê 1000 »õ±Ò 1
¿ª·¢½±½ð 1000 »õ±Ò 1
¼Ó°àÌìÊý 5 ÕûÊý 1
¼Ó°à·Ñ 100 »õ±Ò 1
½»Í¨²¹Öú 100 »õ±Ò 1
ְλ½±½ð 500 »õ±Ò 2
-----------------------------------
ÏÖÓÐ2¸ö²ÎÊý fEmployeeID=1 @¹«Ê½="»ù±¾¹¤×Ê+¿ª·¢½±½ð+¼Ó°àÌìÊý*¼Ó°à·Ñ ";
fNameºÍ¹«Ê½ ÊÇÓû§¶¯Ì¬Ìí¼ÓµÄ ²»È·¶¨ µ«¹«Ê½ÖеŤ×ÊÌõÄ¿¾ø¶ÔÊÇ Êý¾Ý¿â¹¤×ÊÌõĿȡ³öÀ´ ¶øÇÒ¹¤×ÊÌõĿΨһ

ÈçÉÏÃæµÄÄǸö¹«Ê½²¢Ã»ÓмÆË㽻ͨ²¹Öú

ÎÒÏëÎʵÄÊÇ ¾ÍƾÕâ2¸ö²ÎÊý µÃµ½¹«Ê½¼ÆËãµÄ½á¹û ÓÐʲô°ì·¨ÊµÏÖ!лл¸÷λ
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SQL code:
select t1.fValue + sum(t2.fValue*t3.fValue*t4.fValue)
from a t1 , a t2 , a t3 , a t4
where t1.fEmployeeID=1 and t2.fEmployeeID=1 and t3.fEmployeeID=1 and t4.fEmployeeID=1
and t1.fName = '»ù±¾¹¤×Ê' and t2.fName = '¿ª·¢½±½ð' and t3.fName = '¿ª·¢½±½ð' and t4.fName = '¼Ó°à·Ñ'


SQL code:
create table a(fName varchar(10),fValue int,fType varchar(10),fEmployeeID int)
insert into a values('»ù±¾¹¤×Ê', 1000 ,'»õ±Ò' ,1)
insert into a values('¿ª·¢½±½ð', 1000 ,'»õ±Ò' ,1)
insert into a values('¼Ó°àÌìÊý', 5 ,'ÕûÊý' ,1)
ins


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