3 ms·
I see. When I think of a covering index, I think of a covered query, where all query data can be fetched from the index itself. Doesn't the rowid btree just poi
by winrid 4y ago
I see. When I think of a covering index, I think of a covered query, where all query data can be fetched from the index itself. Doesn't the rowid btree just point to an offset on disk where the actual row is? Or is the row itself in the index?