SQL Server query for the required result

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Hi,

VB

ID | Name |Dept |Gender
=======================
1  |ABC   |DPT1 |M
2  |DEF   |DPT2 |M
3  |GHI   |DPT1 |F
4  |JKL   |DPT2 |F
5  |MNO   |DPT3 |M
6  |PQR   |DPT1 |M

Above is the table from which I want the below result.

VB

Dept |Gender|Count
==================
DPT1 |M     |2
DPT2 |M     |1
DPT3 |M     |1
DPT1 |F     |1
DPT2 |F     |1
DPT3 |F     |0

What is the query in SQL Server.?

Thanks,
Janes T

Posted 12-Jan-14 18:24pm

maajanes

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Christian Graus · Answer 1 · 2014-01-12T18:29:00

Solution 1

Select dept, gender, count(name) from myTable group by dept, gender

You should read my articles on SQL, because this is quite a basic request, and I cover it in my article on 'select'.

Here[^]

Posted 12-Jan-14 18:29pm

Christian Graus

Updated 12-Jan-14 18:30pm

v2

Comments

maajanes 13-Jan-14 1:40am

Can I have a query to find only the duplicate records in a table??

Christian Graus 13-Jan-14 16:40pm

You can do that with row_number. Assuming your table has an id column, do this:

with dups
as
(
select id, row_number() over (partition by id order by id) as row from myTable
)

select * from dups where row > 1

replace select * with delete, to delete duplicates.

http://www.codeproject.com/Articles/709759/SQL-Wizardry-Part-Six-Windowing-Functions

has more info.