And when you add columns you need to a table, you will also need to add them to your query. But I didn’t say it’s a good idea to do SELECT * (I never use it ou

And when you add columns you need to a table, you will also need to add them to your query. But I didn’t say it’s a good idea to do SELECT * (I never use it outside manual queries), just that it has no performance implication just by virtue of using it.