> the wider the key, the better the improvement Good point, I think it would be nice to add it to the docs. Maybe with part numbers of goods as an example - i

> the wider the key, the better the improvement Good point, I think it would be nice to add it to the docs. Maybe with part numbers of goods as an example - in typical OLTP DB they are variable width strings, mostly read-heavy, unique (not as constraint but as the matter of fact) and searched by almost constantly.