And while we're making pie-in-the-sky long-term plans, the amount of RAM you can shove into a single server chassis is growing faster than the world population.

And while we're making pie-in-the-sky long-term plans, the amount of RAM you can shove into a single server chassis is growing faster than the world population. So you might as well use joins -- the people maintaining your code in the year 2999 will thank you!