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

0 vote350 views1 answer
Oracle change password expiration policy
SQL
0 vote386 views2 answers
Mysql show foreign keys
SQL
4 votes372 views1 answer
List tables sqlite
SQL
0 vote352 views1 answer
Create a table from one field of another table
SQL
1 vote363 views1 answer
Select users with same username
SQL
7 votes372 views1 answer
Query postgres delete duplicates
SQL
0 vote366 views1 answer
Influxdb clone measurement
SQL
5 votes365 views1 answer
Sysdate in oracle sql
SQL
0 vote370 views2 answers
Sql query inner join 3 tables
SQL
0 vote334 views1 answer
Month mysql
SQL