Sql count duplicate rows

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

Sql count duplicate rows

SELECT _column, COUNT(*) 
FROM _table
GROUP BY _column
HAVING COUNT(*) > 1

T-sql get duplicate rows

SELECT [CaseNumber], COUNT(*) AS Occurrences
FROM [CaseCountry]
GROUP BY [CaseNumber]
HAVING (COUNT(*) > 1)

How to get duplicate values in sql

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

Get 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 _table
GROUP BY _column
HAVING COUNT(*) > 1

Similar codes

0 vote365 views1 answer
Mysql make date from 2 column
SQL
13 votes354 views2 answers
Sql count distinct group by
SQL
0 vote375 views1 answer
Postgres regex word boundary
SQL
0 vote371 views1 answer
How to list function in psql
SQL
0 vote327 views1 answer
Mysql max number not returning correct value
SQL
2 votes342 views1 answer
Brew start postgres manual
SQL
20 votes355 views4 answers
Sqlite create table if not exists
SQL
2 votes356 views2 answers
Mysql user access to database
SQL
0 vote370 views1 answer
Exception message: The connection name 'SqlServices' was not found in the applications configuration or the connection string is empty.
SQL
0 vote322 views1 answer
Duplicate foreign key constraint name
SQL