On Fri, May 05, 2017 at 10:44:54AM +0100, Gary Stainburn wrote:
> > How many rows are in people? How many in assessments? Do you really want
> > data on all people? Or just some?
> I was looking for a balanced solution, combining performance and SQL 'purity'.
Solution depends on answers to questions I asked. Will you always get
data for all people? Or just some? How many assessments per person will
there usually be?
Best regards,
depesz