Need help for SQL query

I have the following table

EmployeeCode          City
AA1                               XXX
AA1                               NN
BB1                               XXX
BB1                                NN
CC1                                 XXX
DD1                                NN

in the above table - I need to delete employee has more than  one record and delete  only city='NN'
Varshini SAsked:
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Vikas GargBusiness Intelligence DeveloperCommented:

try this one

:with cte as
select employeecode,city,row_number () over (partition by employeecode order by city) sn from Table

Delete from CTE where SN > 1 and city = 'NN' 

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Varshini SAuthor Commented:
Vikas Garg,

I am sorry. I need to SN=0 not >1 . Am I correct ?
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