Mysql delete duplicate rows

How to delete all duplicate items in mysql

DELETE FROM FriendsData WHERE fID 
       NOT IN ( SELECT fID FROM FriendsData 
                   GROUP BY UserID, FriendsUserID, IsSpecial, CreatedBy)

Source: grepper.com

Mysql delete duplicate rows but keep one

DELETE c1 FROM contacts c1
INNER JOIN contacts c2 
WHERE
    c1.id > c2.id AND 
    c1.email = c2.email;

Source: mysqltutorial.org

Delete all duplicate rows keep the latest except for one in mysql

DELETE 
FROM
  `tbl_job_title` 
WHERE id NOT IN 
  (SELECT 
    * 
  FROM
    (SELECT 
      MAX(id) 
    FROM
      `tbl_job_title` 
    GROUP BY NAME) tbl)

Source: stackoverflow.com

Mysql delete duplicate rows except one

DELETE FROM NAMES
 WHERE id NOT IN (SELECT * 
                    FROM (SELECT MIN(n.id)
                            FROM NAMES n
                        GROUP BY n.name) x)

-1

Source: grepper.com

Similar codes

0 vote204 views1 answer
Match end of string regex sql
SQL
0 vote206 views1 answer
SQLite3::SQLException: table "categories" already exists: CREATE TABLE "categories" ("id" integer PRIMARY KEY AUTOINCREMENT NOT NULL
SQL
3 votes194 views2 answers
Find the median in sql
SQL
0 vote208 views1 answer
Databricks install odbc driver connect to sql server
SQL
1 vote219 views2 answers
Django.core.exceptions.ImproperlyConfigured: mysqlclient 1.4.0 or newer is required; you have 0.10.1.
SQL
0 vote303 views1 answer
Bigrock database connection string
SQL
21 votes196 views3 answers
Sql average
SQL
0 vote245 views1 answer
Mysql order by where condition sub query
SQL
0 vote224 views1 answer
Mysql date without time
SQL
0 vote245 views1 answer
Sql anywhere create procedure
SQL