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SQl Êý¾ÝºÏ²¢£¬½á¹ûºÏ²¢ - MS-SQL Server / ÒÉÄÑÎÊÌâ

SQL code:
alter proc Sel_Stu_Soc
(
@Stu_Id int
)
as
select a.Stu_Id as ѧºÅ,a.Stu_Name as ÐÕÃû,a.Stu_Sex as ÐÔ±ð,b.Gr_Semester as ѧÆÚ,
ISNULL((select b.Gr_Score where b.Gr_SubId=c.Su_Id and a.Stu_Id=b.Gr_StuId and c.Su_Id=1),0) as ÓïÎÄ,
ISNULL((select b.Gr_Score where b.Gr_SubId=c.Su_Id and a.Stu_Id=b.Gr_StuId and c.Su_Id=2),0) as Êýѧ,
ISNULL((select b.Gr_Score where b.Gr_SubId=c.Su_Id and a.Stu_Id=b.Gr_StuId and c.Su_Id=3),0) as Ó¢Óï
from Student as a
inner join
Grade as b
on a.Stu_Id=b.Gr_StuId
inner join
Subjects as c
on b.Gr_SubId=c.Su_Id
where Stu_Id=@Stu_Id

²éѯµÄ½á¹ûexecute Sel_Stu_Soc @Stu_Id=1
ѧºÅ ÐÕÃû ÐÔ±ð ѧÆÚ ÓïÎÄ Êýѧ Ó¢Óï
1 ÕÅÈý ÄÐ 2010 98 0 0
1 ÕÅÈý ÄÐ 2010 0 87 0
1 ÕÅÈý ÄÐ 2010 0 0 78

ÏëÒªµÄ½á¹ûÏÔʾ
ѧºÅ ÐÕÃû ÐÔ±ð ѧÆÚ ÓïÎÄ Êýѧ Ó¢Óï
1 ÕÅÈý ÄÐ 2010 98 87 78


Êý¾Ý¿â½á¹¹£º
Student£ºÑ§Éú±í
Stu_Id Stu_Name Stu_Sex
Grade: ³É¼¨±í
Gr_Semester Gr_StuId Gr_SubId Gr_Score
Subjects: ¿ÆÄ¿±í
Su_Id Su_Name






SQL code:
alter proc Sel_Stu_Soc
(
@Stu_Id int
)
as
select a.Stu_Id a


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