How to delete duplicate rows in SQL Server 2008?

Question

How can I delete duplicate rows in SQL Server 2008?

Answer 1

Even though u dont have a Primary key, u can delete the duplicate data by the below code

delete from (Tablename)
          where tablename.%%physloc%%
          NOT IN (select MIN(b.%%physloc%%)
          from tablename b
          group by b.Column1,b.column2,b.column3
          );