4 ms·
Perhaps to begin with just having A,B,C columns are fine and your comment justifies. However, it still stands true in a test of time when you will end up with
by kaushikt 6y ago
Perhaps to begin with just having A,B,C columns are fine and your comment justifies.
However, it still stands true in a test of time when you will end up with a lot more columns.
- Semaphor 6y agoAnd 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.