That's over all categories. If A is cyber security and B is biology topics, then C is still zero, therefore finite. Anyway, I think you're reading too much into an offhand comment.
Sorry but that’s not the claim. The claim is wikipedia can return the same information. Please find me a migration script given my current db schema and new target schema.
I dont understand. This is just hyperbole right? The outputs are basically infinite and wikipedia most certainly isnt infinite.