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 vote183 views1 answer
What are the advantages of MySQL when compared with Oracle?
SQL
2 votes173 views2 answers
Sql query to copy data from one column to another
SQL
8 votes183 views1 answer
Database backup in mysql server recovery
SQL
0 vote180 views1 answer
Cast as decimal postgresql
SQL
-2 votes184 views1 answer
Use of where in left join in mysql
SQL
0 vote194 views1 answer
Sql server list table sizes
SQL
12 votes179 views1 answer
Docker mysql random root password
SQL
6 votes177 views2 answers
Sql display max value
SQL
0 vote173 views1 answer
Sql put two columns into one
SQL
0 vote179 views1 answer
Time in sql server
SQL