How to find duplicate row in a table - MSSQL
DZone's Guide to
How to find duplicate row in a table - MSSQL
Join the DZone community and get the full member experience.
Join For FreeMariaDB TX, proven in production and driven by the community, is a complete database solution for any and every enterprise — a modern database for modern applications.
The below given query will fetch the duplicate rows in MSSQL with number of occurance of each row.
SELECT <all column names - comma seperated>, COUNT(<name of any one column>) AS Occurance_Count
FROM <table name>
GROUP BY <all column names - comma seperated>
HAVING (COUNT(<name of any one column>) > 1)
Note: The data in '<>' should be replaced with relevent data. E.g. '<all column names - comma seperated>' should be replaced with 'a,b,c' where a, b and c are the names of the columns in the table.
MariaDB AX is an open source database for modern analytics: distributed, columnar and easy to use.
Like This Article? Read More From DZone
Topics:
Opinions expressed by DZone contributors are their own.
{{ parent.title || parent.header.title}}
{{ parent.tldr }}
{{ parent.linkDescription }}
{{ parent.urlSource.name }}