/TypeScript/How to get duplicate values in sql

How to get duplicate values 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

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);

FIND DUPLICATES IN COLUMN SQL

declare @YourTable table (id int, name varchar(10), email varchar(50))

INSERT @YourTable VALUES (1,'John','John-email')
INSERT @YourTable VALUES (2,'John','John-email')
INSERT @YourTable VALUES (3,'fred','John-email')
INSERT @YourTable VALUES (4,'fred','fred-email')
INSERT @YourTable VALUES (5,'sam','sam-email')
INSERT @YourTable VALUES (6,'sam','sam-email')

SELECT
    name,email, COUNT(*) AS CountOf
    FROM @YourTable
    GROUP BY name,email
    HAVING COUNT(*)>1

-1

Source: stackoverflow.com

Similar codes

1 vote239 views1 answer
Useappselector
TypeScript
51 votes293 views3 answers
Remove duplicates from a list of lists python
TypeScript
0 vote219 views1 answer
Ts date toisostring incorrect conversion
TypeScript
0 vote211 views1 answer
If 2 class implements same interface and now i planned to add both the component in ioc java
TypeScript
1 vote158 views1 answer
Typescript get unknown property
TypeScript
0 vote201 views1 answer
React Draft Wysiwyg typescript
TypeScript
0 vote199 views1 answer
From __future__ import unicode_literals import youtube_dl ydl_opts = {} with youtube_dl.YoutubeDL(ydl_opts) as ydl: ydl.download(['VideoURL'])
TypeScript
0 vote202 views1 answer
How to add array of objects in swagger 2.0
TypeScript
0 vote206 views1 answer
Ts in r
TypeScript
-1 vote215 views3 answers
Lodash merge array of objects without duplicates
TypeScript