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

0 vote275 views1 answer
Power query datetime to date
SQL
1 vote320 views2 answers
Procedure syntax
SQL
0 vote278 views1 answer
Drop all data from tables
SQL
0 vote314 views1 answer
Sql date time query find
SQL
1 vote288 views3 answers
Mysql disable foreign keys check
SQL
-2 votes303 views1 answer
No module named '_sqlite3
SQL
1 vote286 views1 answer
Convert rows to string sql server
SQL
37 votes296 views3 answers
Duplicate records in sql
SQL
0 vote272 views1 answer
Couldn't execute 'SELECT COLUMN_NAME
SQL
16 votes276 views2 answers
Gremove folder from git
SQL