/SQL/DELETE DUPLICATE VALUES FROM A TABLE IN SQL SERVER

DELETE DUPLICATE VALUES FROM A TABLE IN SQL SERVER

WITH cte AS (
    SELECT 
        contact_id, 
        first_name, 
        last_name, 
        email, 
        ROW_NUMBER() OVER (
            PARTITION BY 
                first_name, 
                last_name, 
                email
            ORDER BY 
                first_name, 
                last_name, 
                email
        ) row_num
     FROM 
        sales.contacts
)
DELETE FROM cte
WHERE row_num > 1;
Code language: SQL (Structured Query Language) (sql)

Source: sqlservertutorial.net

Similar codes

7 votes304 views2 answers
Oracle sql drop index
SQL
2 votes329 views1 answer
Mysql shell insert into
SQL
0 vote240 views1 answer
Mysql collation for all languages
SQL
0 vote310 views1 answer
Sql sum if
SQL
8 votes284 views2 answers
Mysql query dates between two dates
SQL
0 vote286 views1 answer
Mysql cdn link
SQL
1 vote295 views1 answer
Get last week data in mysql
SQL
0 vote306 views1 answer
Bidirectional outer join sql
SQL
4 votes314 views1 answer
Postgresql list sequences
SQL
0 vote294 views1 answer
Sql server size of every table in a db
SQL