sql exclude duplicates code example

Example 1: sql query to find duplicates in column

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

Example 2: how to remove duplicate in sql

Distinct: helps to remove all the duplicate
records when retrieving the records from a table.

SELECT DISTINCT FIRST_NAME FROM VISITORS;

Example 3: sql exclude duplicates and find even id

SELECT DISTINCT city FROM tablename WHERE id % 2 = 0

Tags:

Sql Example

Related