Buenas tardes ...
Tengo una tabla como esta
CREATE TABLE [#Test]
(
[Col1] [int] NOT NULL ,
[Col2] [int] NULL ,
[Col3] [int] NULL
)
INSERT INTO [#test] ([col1],[col2],[col3])VALUES(1,100,NULL)
INSERT INTO [#test] ([col1],[col2],[col3])VALUES(2,101,NULL)
INSERT INTO [#test] ([col1],[col2],[col3])VALUES(3,101,1001)
INSERT INTO [#test] ([col1],[col2],[col3])VALUES(4,102,NULL)
INSERT INTO [#test] ([col1],[col2],[col3])VALUES(5,103,NULL)
INSERT INTO [#test] ([col1],[col2],[col3])VALUES(6,103,1004)
INSERT INTO [#test] ([col1],[col2],[col3])VALUES(7,103,1005)
INSERT INTO [#test] ([col1],[col2],[col3])VALUES(8,104,NULL)
INSERT INTO [#test] ([col1],[col2],[col3])VALUES(9,105,NULL)
INSERT INTO [#test] ([col1],[col2],[col3])VALUES(10,105,1007)
Quisiera obtener algo como esto ...
col1 col2 col3 Cuenta
1 100 null 1
2 101 null 2
3 101 1001 2
4 102 null 1
5 103 null 3
6 103 1004 3
7 103 1005 3
8 104 null 1
9 105 null 2
10 105 1007 2
Muchas gracias por su ayuda ...
Saludos,
Raul
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