Replace all fields in MySQL

Question

I need to replace some chars in the columns of a table, by using the REPLACE command.
I know that the REPLACE command needs a column name, t

Answer 1

You can't do what you want. If it was me, i'd take a list of column names and in my editor do a quick regex search and replace.

Find: (.+)

Replace: UPDATE my_table SET \1 = REPLACE (\1,'a','e' );