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

3 votes153 views4 answers
Show columns from table
SQL
0 vote205 views1 answer
Mysql workbench procedure
SQL
0 vote203 views1 answer
Vs 2019 connect to local mysql database
SQL
2 votes218 views1 answer
Mysql select true or false
SQL
0 vote182 views1 answer
Mysql error 1452
SQL
0 vote193 views1 answer
Drop all tables db2
SQL
0 vote207 views2 answers
Port 5432 is already in use mac
SQL
0 vote196 views2 answers
SQLSTATE[HY000] [2054] The server requested authenticatio n method unknown to the client (SQL: select * from information_schema.tables where table_schema = todos_app and table_name = migrations and table_type = 'BASE TABLE')
SQL
1 vote218 views1 answer
Postgresql round double precision
SQL
0 vote193 views1 answer
C# mysql data reader from two tables
SQL