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(Roy) 
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--1¡¢Ðл¥ÁÐ
--> --> (Roy)
Éú³É測試數據
 
if
 
not
 
object_id
(
'Class'
)
is
 
null
 
drop
 
table
 
Class
 
Go
 
Create
 
table
 
Class(
[Student]
 
nvarchar
(
2
),
[Course]
 
nvarchar
(
2
),
[Score]
 
int
)
Insert
 
Class
 
select
 
N
'ÕÅÈý
'
,N
'ÓïÎÄ
'
,
78
 
union
 
all
 
select
 
N
'ÕÅÈý
'
,N
'Êýѧ
'
,
87
 
union
 
all
 
select
 
N
'ÕÅÈý
'
,N
'Ó¢Óï
'
,
82
 
union
 
all
 
select
 
N
'ÕÅÈý
'
,N
'ÎïÀí
'
,
90
 
union
 
all
 
select
 
N
'ÀîËÄ
'
,N
'ÓïÎÄ
'
,
65
 
union
 
all
 
select
 
N
'ÀîËÄ
'
,N
'Êýѧ
'
,
77
 
union
 
all
 
select
 
N
'ÀîËÄ
'
,N
'Ó¢Óï
'
,
65
 
union
 
all
 
select
 
N
'ÀîËÄ
'
,N
'ÎïÀí
'
,
85
 
Go
--2000·½·¨
:
¶¯Ì¬:
declare
 
@s
 
nvarchar
(
4000
)
Set

@s
=
''
Select

@s
=
@s
+
','
+
quotename
(
[Course]
)
+
'=max(case

when [Course]='
+
quotename
(
[Course]
,
''''
)
+
'
 
then [Score] else 0 end)'
 
from
 
Class
group
 
by
[Course]
exec
(
'select [Student]'
+
@s
+
'
 
from Class group by [Student]'
)
 Éú³É¾²Ì¬:
select
 
[Student]
,
[Êýѧ
]
=


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using System;
using System.Collections.Generic;
using System.Text;
using System.Data.SqlClient;
using System.Xml;
using System.Data;
namespace MyDbTest
{
class Program
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static void Main(string[] args)
{
SqlConnection thisConnection = new SqlConnection(
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