I guess i'm more envisioning something like a SQL container. So if you have multiple instances of a pImpl class you would keep the actual state-variables/implem

I guess i'm more envisioning something like a SQL container. So if you have multiple instances of a pImpl class you would keep the actual state-variables/implementation in a DB. When you want to say do some complicated look up (ex: which objects fit some criteria) you would express that operation in terms of SQL queries