Well... generally this is solved via indices. An event log indexed by user ID would have the same effect. You get all the user info, and if you really need to g

Well... generally this is solved via indices. An event log indexed by user ID would have the same effect. You get all the user info, and if you really need to grab historical or event data, it's there when necessary for parts of the app that actually need it. I own a lot of stuff, but I don't drag my house everywhere in case I might need something. :p