Delete duplicate records from a SQL table without a primary key

If we need to Delete duplicate records from a SQL table without a primary key then we can do with many ways. please try below statements 

1st:

DELETE SUB FROM

(SELECT ROW_NUMBER() OVER (PARTITION BY EmpId, EmpName, EmpSSN ORDER BY EmpId) cnt

 FROM Employee) SUB

WHERE SUB.cnt > 1

2nd:

With duplicates

As

(Select *, ROW_NUMBER() Over (PARTITION by EmpID,EmpSSN Order by EmpID,EmpSSN) as Duplicate From Employee)

delete From duplicates

Where Duplicate > 1 ;

These Statements will update Table and remove all duplicates from the Table!