Question

I was looking for an answer on how to combine two columns into a new one and found this to be the perfect answer. However, since I really have NO experience with MySQL I was wondering how I would delete the old columns, too, when the table is edited.

Answer 1

To drop columns (multiple) after merging it you can use the following Syntax.

ALTER TABLE table_Name DROP COLUMN columnName1, DROP COLUMN columnName2;

See ALTER TABLE Syntax