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 vote370 views1 answer
Mysql backup certain tables workbench
SQL
3 votes403 views3 answers
1396(hy00) mysql error
SQL
0 vote368 views1 answer
Windows aggregate functions in postgresql
SQL
21 votes376 views1 answer
SQL cheat sheet pdf
SQL
0 vote382 views1 answer
Psql initialization
SQL
0 vote351 views1 answer
Is not sql
SQL
0 vote371 views1 answer
Mysql a from on this page has
SQL
18 votes385 views3 answers
Mysql add column default value
SQL
0 vote376 views1 answer
Authentication in sql server
SQL
2 votes368 views1 answer
Sqlite3 show columns name
SQL