<div>
List all duplicates<br />
<br />
select t.*, x.cnt<br />
from tbl t inner join (<br />
select hno, road, district<br />
from tbl<br />
group by hno, road, district<br />
having count(*) &gt;&nbsp;1<br />
) AS x on x.hno=t.hno and x.road=t.road and x.district=t.district<br />
order by t.hno, t.road, t.district
</div>


List all duplicates

select t.*, x.cnt
from tbl t inner join (
select hno, road, district
from tbl
group by hno, road, district
having count(*) > 1
) AS x on x.hno=t.hno and x.road=t.road and x.district=t.district
order by t.hno, t.road, t.district

<div>
<div class="content wysiwyg-content">
How can I cout the duplicate on colum1 and colum2 and colum3<br />
<br />
I want the same address that duplicate<br />
<br />
Hno &nbsp;road &nbsp;destrict &nbsp; &nbsp; if 3 colums &nbsp;is the same it mean it the same place
</div>
</div>


How can I cout the duplicate on colum1 and colum2 and colum3

I want the same address that duplicate

Hno  road  destrict     if 3 colums  is the same it mean it the same place

mysql sww the duplicate on colum1 colum2 colum3

MySQL is an open source, relational database management system that runs as a server providing multi-user access to a number of databases. Acquired by Oracle in 2009, it is frequently used in combination with PHP installations, powering most of the WordPress installations.

MySQL Server

SQL (Structured Query Language) is designed to be used in conjunction with relational database products as of a means of working with sets of data. SQL consists of data definition, data manipulation, and procedural elements. Its scope includes data insert, query, update and delete, schema creation and modification, and data access control.