literally the whole point of randomly generating UUIDs is that you don't need to check for collision. that's what the "U"s are for. that is the abstraction that is supposedly being provided. "using <insert Amazon AWS Certification Test Answer #7>" is not in any way a "scalable solution" for that with no other context. nor is just throwing out <random Martin Fowler concept #27>. the whole point is that it is a global (well, per name, "universal") abstraction that can, in practice, have holes that make it so you can't use it "universal"-ly.
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literally the whole point of randomly generating UUIDs is that you don't need to check for collision. that's what the "U"s are for. that is the abstraction that is supposedly being provided. "using <insert Amazon AWS Certification Test Answer #7>" is not in any way a "scalable solution" for that with no other context. nor is just throwing out <random Martin Fowler concept #27>. the whole point is that it is a global (well, per name, "universal") abstraction that can, in practice, have holes that make it so you can't use it "universal"-ly.