Copy values from one column to another in the same table

Question

How can I make a copy values from one column to another? I have:

Database name: list
number | test
123456 | somedata
123486 | somedata1
232344 | 34
         


        

Answer 1

UPDATE `table_name` SET `test` = `number`

You can also do any mathematical changes in the process or use MySQL functions to modify the values.