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Developer-C 11.1
3.0
4.0
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12
13
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17
2012
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CREATE TABLE T( locality varchar(10), [group] varchar(10), amount varchar(10) ); INSERT INTO T VALUES ('A','X',1); INSERT INTO T VALUES ('A','Y',2); INSERT INTO T VALUES ('A','Z',3); INSERT INTO T VALUES ('B','X',4); INSERT INTO T VALUES ('B','Y',5); INSERT INTO T VALUES ('C','X',6); INSERT INTO T VALUES ('C','Z',7); INSERT INTO T VALUES ('D','X',8);
8 rows affected
DECLARE @cols AS NVARCHAR(MAX), @query AS NVARCHAR(MAX); SET @cols = STUFF(( SELECT distinct ', MAX(CASE WHEN [group] = '''+ [group] + ''' THEN amount ELSE 0 END)' + ' as '''+[group]+'''' FROM T FOR XML PATH(''), TYPE ).value('.', 'NVARCHAR(MAX)') ,1,1,'') SET @query = 'SELECT locality, ' + @cols + ' FROM T t1 GROUP BY locality ' EXEC(@query)
locality
X
Y
Z
A
1
2
3
B
4
5
0
C
6
0
7
D
8
0
0