Remove duplicates in large MySql table

Question

I have a question about MySql. I have a table with 7.479.194 records. Some records are duplicated. I would like to do this:

insert into new_table 
  select *         


        

Answer 1

A bit dirty maybe, but it has done the trick for me the few times that I've needed it: Remove duplicate entries in MySQL.

Basically, you simply create a unique index consisting of all the columns that you wan't to be unique in the table.

As always before this kind of procedures, a backup before proceeding is recommended.