Part 4 Delete duplicate rows in sql

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this is part four of sequence of

interview questions and answers video

series in this video we'll discuss how

to delete all duplicate rows except one

from a sequel server table this is a

very common interview question it is the

table with duplicate data notice that

mark record is duplicated three times

Mary record two times in Bendrick or

three times now the delete query that we

are going to write should delete all the

duplicate rows except one per employee

meaning after we execute the delete

query the employees table should be left

with just three records as you can see

here let's see how to achieve this let's

flip to sequence of management studio so

I've already created this employee's

table and populated it that some test

data here is the sequel script that can

do it

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