i have a table i database which has two fields id and name.

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i have a table mame record in database which has two fields id and name. and have some duplicate records. i show my tables with data as

Id     Name
 1      A
 2      A
 3      A
 4      B
 5      B
 6      B
 7      C
 8      C
 9      C

now write a querry for this table to show the output as follow

Id    Name
1      A
4      B
7      C

Posted 27-Aug-12 20:35pm

srishti_

Updated 27-Aug-12 20:37pm

Mehdi Gholam

v2

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5 solutions

Solution 5

Hi,

Try this code,

SQL

select *
from (select Id,Name,row_number()over(partition by Name order by Id) as occurrence
          from Example) x
          where occurrence = 1

Here table name is Examle.

The result as follows:

Id Name occurrence
1 A 1
4 B 1
7 C 1

Regards

Posted 27-Aug-12 20:57pm

D-Kishore

Comments

__TR__ 28-Aug-12 3:12am

5+

D-Kishore 28-Aug-12 3:22am

Thanks TR

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__TR__ · Accepted Answer · 2012-08-27T20:40:00

Solution 2

Try this

SQL

CREATE TABLE #TempTable
(Id INT, [Name] VARCHAR(50))

INSERT INTO #TempTable
SELECT 1, 'A' UNION
SELECT 2, 'A' UNION
SELECT 3, 'A' UNION
SELECT 4, 'B' UNION
SELECT 5, 'B' UNION
SELECT 6, 'B' UNION
SELECT 7, 'C' UNION
SELECT 8, 'C' UNION
SELECT 9, 'C'



SELECT MIN(Id) AS Id, [Name] FROM #TempTable
GROUP BY [Name]

DROP TABLE #TempTable

Posted 27-Aug-12 20:40pm

__TR__

Comments

Mohamed Mitwalli 28-Aug-12 2:47am

5+

__TR__ 28-Aug-12 3:09am

Thanks :)

srishti_ 28-Aug-12 2:47am

thanx

__TR__ 28-Aug-12 3:09am

You are welcome.

bhagirathimfs · Accepted Answer · 2012-08-27T20:43:00

Solution 3

try this

SQL

SELECT ID,NAME FROM [TABLE_NAME] GROUP BY NAME

Posted 27-Aug-12 20:43pm

bhagirathimfs

Comments

Mohamed Mitwalli 28-Aug-12 2:47am

Error Will Occur

bhagirathimfs 28-Aug-12 2:59am

why??

Mohamed Mitwalli 28-Aug-12 3:01am

is not contained in either an aggregate function this is error msg will appear
Check it

srishti_ 28-Aug-12 2:47am

thanx

Mohamed Mitwalli · Accepted Answer · 2012-08-27T20:44:00

Solution 4

Hi ,
Check this

SQL

select min( Id) ,name from dbo.Tablename
Group by name

Best Regards
M.Mitwalli

Posted 27-Aug-12 20:44pm

Mohamed Mitwalli

Comments

__TR__ 28-Aug-12 3:08am

My 5!

Mohamed Mitwalli 28-Aug-12 3:11am

Thanks TR

Mehdi Gholam · Accepted Answer · 2012-08-27T20:38:00

Solution 1

Use :

SQL

select min(ID) as ID, name from [tablename] group by name

Posted 27-Aug-12 20:38pm

Mehdi Gholam

Comments

__TR__ 28-Aug-12 2:44am

My 5!

srishti_ 28-Aug-12 2:47am

thanx

Mohamed Mitwalli 28-Aug-12 2:47am

5+