Duplicate records in sql

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

Duplicate records in sql

Multiple field=SELECT username, email, COUNT(*)
FROM users
GROUP BY username, email
HAVING COUNT(*) > 1
Single field=SELECT _column, COUNT(*) FROM _tableGROUP BY _columnHAVING COUNT(*) > 1

Similar codes

2 votes266 views1 answer
Plsql left() function
SQL
0 vote295 views1 answer
Sql reverse order of results
SQL
2 votes306 views1 answer
Creating a view SQL
SQL
0 vote321 views1 answer
Typical max-connect-errors mysql
SQL
0 vote307 views1 answer
How to insert multiple values in a single column in sql
SQL
0 vote282 views1 answer
Table values functions in SQL
SQL
3 votes271 views2 answers
Oracle sql drop sequence
SQL
0 vote416 views1 answer
Sql insert exemplo
SQL
3 votes320 views3 answers
Illuminate database queryexception could not find driver (sql select * from
SQL
3 votes282 views1 answer
Mysql replace string in table
SQL