select where duplicate mysql
snippet in sql

find duplicates mysql column

user1410

SELECT name, COUNT(*) c FROM table GROUP BY name HAVING c > 1;

select where duplicate mysql

user7456

SELECT 
    col1, COUNT(col1),
    col2, COUNT(col2)
FROM
    table_name
GROUP BY 
    col1, 
    col2
HAVING 
       (COUNT(col1) > 1) AND 
       (COUNT(col2) > 1);