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  SQL code:

Create table A
(
Id int not null,
[Name] nvarchar(40),
[Rank] int
)


 ±íÀïÃæµÄÖµ:
Id Name Rank
------------------------------
1 I 1
1 have 2
1 a 3
1 dream 4
2 Oh 1

²éѯ½á¹ûÊÇ:
Id Name
----------------------------------
1 I have a dream
2 oh my god
2 my 2
2 god 3



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SQL code:

CREATE FUNCTION JoinStr
(
@id int
)
RETURNS nvarchar(200)
AS
BEGIN
-- Declare the return variable here
DECLARE @s nvarchar(200)

-- Add the T-SQL statements to compute the return value here
SELECT @s=ISNULL(@s+' ','') + [key] from Test WHERE Id= @id

-- Return the result of the function
RETURN @s

END


SQL code



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