Combining user database tables while keeping all other data in seperate for multiple sites?

As Pat J suggested, it sounds like I was attempting to reinvent the wheel here. A quick review of the HypereDB plugin also pointed out that it worked well with MultiSite and multiple databases. I guess that is why there’s not more out there on others trying to do what I was proposing.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)