Find duplicates 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

Find duplicates mysql

SELECT 
    col, 
    COUNT(col)
FROM
    table_name
GROUP BY col
HAVING COUNT(col) > 1;

Find duplicate keys in mysql

SELECT col, COUNT(col) FROM table_name GROUP BY col HAVING COUNT(col) > 1;

Similar codes

1 vote168 views1 answer
Oracle case
SQL
0 vote178 views3 answers
Duplicate row mysql
SQL
4 votes190 views3 answers
Sqlite show columns
SQL
0 vote165 views2 answers
Sql having multiple conditions
SQL
0 vote178 views1 answer
Limit in access query
SQL
0 vote183 views1 answer
Sql cmd no truncate
SQL
1 vote156 views1 answer
Create table tablename as select * from tablename
SQL
0 vote163 views4 answers
Mysql on kubernetes
SQL
0 vote177 views1 answer
Mysql, how to query the table comments?
SQL
104 votes1.1K views2 answers
Like in mysql
SQL