/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

0 vote182 views1 answer
Print orcale
SQL
3 votes228 views2 answers
Find string in stored procedure sql server
SQL
1 vote216 views2 answers
Select into temp table
SQL
0 vote185 views4 answers
Open mysql port bitnami tomact
SQL
1 vote174 views1 answer
Oracle list datafiles in tablespace
SQL
0 vote166 views1 answer
Psql list rules
SQL
1 vote194 views3 answers
Postgresql get difference between two dates
SQL
0 vote188 views1 answer
How to close external sql connection in laravel
SQL
8 votes231 views2 answers
Python simple connect to mysql
SQL
0 vote186 views1 answer
Mod in sql
SQL