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

14 votes297 views1 answer
Oracle alter table add column not null
SQL
0 vote287 views1 answer
Mysql backup certain tables workbench
SQL
0 vote272 views1 answer
T-SQL Retry (deadlock)
SQL
1 vote253 views1 answer
Minus vs intersect in sql
SQL
20 votes275 views2 answers
Counting in sql
SQL
2 votes276 views1 answer
Brew start postgres manual
SQL
1 vote263 views1 answer
List index mysql cli
SQL
50 votes342 views4 answers
Sql alter type of column
SQL
16 votes304 views2 answers
Mysql date between two dates
SQL
1 vote263 views1 answer
Create sample data postgresql
SQL