sql query to print desired output

Question

1.00/5 (2 votes)

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SQL-Server-2014

Hi Team,
I have data like below

SQL

create table #tmp(id int,name varchar(10))
insert #tmp
select 1, 'a'
union
select 1, 'b'
union
select 1, 'c'
union
select 2, 'a'
union
select 2, 'b'
union
select 2, 'c'
union
select 3, 'a'
union
select 3, 'b'
union
select 3, 'c'

and i want print data like below
1 a
2 b
3 c

please help me on this
Thanks in Advance.

Posted 7-Oct-15 1:54am

prakash.chakrala

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Comments

Tomas Takac 7-Oct-15 8:01am

Not clear. What is the relation between input and output?

deepankarbhatnagar 7-Oct-15 8:18am

No enough data to understand

ZurdoDev 7-Oct-15 8:44am

No, we can't help. What happened to 1, b and 1,c? Need a lot more info.

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Maciej Los · Answer 1 · 2015-10-07T03:06:00

My best guess:

SQL

DECLARE @tmp TABLE(id int,name varchar(10))

insert @tmp (id, name)
VALUES( 1, 'a'),
(1, 'b'),
(1, 'c'),
(2, 'a'),
(2, 'b'),
(2, 'c'),
(3, 'a'),
(3, 'b'),
(3, 'c')

SELECT DISTINCT t1.id, t2.name
FROM @tmp AS t1 INNER JOIN
    (
        SELECT id, name, ROW_NUMBER() OVER(PARTITION BY id ORDER BY name) AS RowNo
        FROM @tmp
    ) AS t2 ON t1.id = t2.RowNo

Result - as expected:

id  name
1   a
2   b
3   c