Sql 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)

Sql duplicate rows

/*SELECT hotel_id, reservation_id, COUNT(hotel_id)FROM staywhere  reservation_id is not nullGROUP BY hotel_id, reservation_idHAVING COUNT(hotel_id) > 1*/select distinct s.hotel_id , t.* from stay sright join (    select hotel_id, reservation_id, count(*) as qty    from staywhere reservation_id !=1      group by hotel_id, reservation_id    having count(*) > 1) t on s.hotel_id = t.hotel_id and s.reservation_id = t.reservation_id

Sql duplicate rows

SELECT username, email, COUNT(*)
FROM users
GROUP BY username, email
HAVING COUNT(*) > 1

Similar codes

3 votes112 views1 answer
Fk in insert mysql
SQL
0 vote108 views1 answer
Microsoft word insert sql code
SQL
0 vote114 views1 answer
Sql use with to get value counts and percentages
SQL
0 vote115 views1 answer
How to create a new shema using query languaage
SQL
4 votes102 views1 answer
Select nls_date_format
SQL
0 vote106 views2 answers
Starting mysql service from mac
SQL
0 vote120 views1 answer
How to subquey to do not load in live database in
SQL
1 vote101 views1 answer
Select dba users oracle
SQL
0 vote129 views1 answer
Hallo
SQL
0 vote101 views1 answer
Mysql show category once count how many products
SQL