3 ms·
> A simple example, the performance of a simple un-indexed DISTINCT on a single string column on a single table, is still quite bad for millions of rows. Why i
by jacques_chester 8y ago
> A simple example, the performance of a simple un-indexed DISTINCT on a single string column on a single table, is still quite bad for millions of rows.
Why is this surprising?
- IshKebab 8y agoI assume he means bad in comparison to other DBs.
- jacques_chester 8y agoSo do I. But it's a bit like criticising a car for being slow because you didn't push the accelerator pedal. That's not really the car's fault.