Answers for "sql select only duplicates"

SQL
23

select duplicates in sql

SELECT username, email, COUNT(*)
FROM users
GROUP BY username, email
HAVING COUNT(*) > 1
Posted by: Guest on April-03-2020
0

sql select duplicates based on two columns

select s.id, t.* 
from [stuff] s
join (
    select name, city, count(*) as qty
    from [stuff]
    group by name, city
    having count(*) > 1
) t on s.name = t.name and s.city = t.city
Posted by: Guest on October-10-2021

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