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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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