Posts Tagged ‘duplicate’

Remove duplicate entry from database

Posted: September 3, 2013 in MySql
Tags:

DELETE FROM tbl_user
WHERE user_id NOT
IN (
SELECT user_id
FROM (
SELECT MIN( a.user_id ) AS user_id, concat( first_name, last_name ) AS fullname
FROM tbl_user a
GROUP BY fullname
)x
)

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