2 ms·I use the null uuid as primary key - never had any DB scaling issues.by tossandthrow 6mo agoI use the null uuid as primary key - never had any DB scaling issues.petalmind 6mo agoYeah, no NULL is ever equal to any other NULL, so they are basically unique.Groxx 6mo agoYou are also guaranteed to be able to retrieve your data, just query for '... is null'. No complicated logic needed!