Select duplicates in sql

SELECT username, email, COUNT(*)
FROM users
GROUP BY username, email
HAVING COUNT(*) > 1

Source: chartio.com

Sql query to find duplicates in column

SELECT name, COUNT(email) 
FROM users
GROUP BY email
HAVING COUNT(email) > 1

Source: stackoverflow.com

How to get duplicate elements in sql

• SELECT first_name, COUNT (first_name) FROM employees
GROUP BY first_name
HAVING (COUNT(first_name) > 1);

Sql query duplicate rows

/* This SQL Query will show each of those duplicate
rows individually instead of just grouping it */
SELECT username,email 
FROM `users` 
WHERE `username` 
IN (SELECT username FROM `users` GROUP BY username HAVING COUNT(username) > 1)

Similar codes

3 votes337 views1 answer
Show index table
SQL
0 vote421 views1 answer
Sql '=' cannot be applied to date varchar(10) athena
SQL
0 vote416 views1 answer
What logs are available on RDS MySQL?
SQL
6 votes356 views5 answers
Mysql get last insert id
SQL
0 vote358 views1 answer
Mysql update table from select on another table
SQL
0 vote348 views1 answer
Postgresql regular expression special characters
SQL
0 vote355 views4 answers
Mysql desactivar trigger
SQL
1 vote363 views1 answer
Cannot load driver class: com.mysql.cj.jdbc.Driver
SQL
0 vote357 views1 answer
How to select an index in oracle sql
SQL
-1 vote386 views5 answers
Not in sql
SQL