Select where duplicate mysql

Find duplicates mysql column

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

Source: stackoverflow.com

Select where duplicate mysql

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

Source: mysqltutorial.org

Similar codes

0 vote352 views2 answers
How to retrive image from sql to picturebox usinf image location
SQL
0 vote327 views1 answer
Connexion mysql
SQL
0 vote329 views1 answer
Sql replace id with name from another table
SQL
0 vote379 views1 answer
Sql to excel pgadmin
SQL
0 vote336 views1 answer
FILENAME /usr/bin/mysql does not exists. Make sure correct path is set in /etc/dump admin/settings.conf.
SQL
1 vote501 views1 answer
Postgres upgrade to superuser
SQL
0 vote408 views1 answer
Trigger
SQL
0 vote327 views1 answer
Create table with float datatype in sql server
SQL
10 votes345 views2 answers
Oracle alter sequence nextval
SQL
10 votes351 views1 answer
Oracle view dependencies
SQL