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Re: Primary keys and composite unique keys(basic question)

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I used uuid4 for customer ids because i needed to interface with payment providers. Is that wrong? All other places except transaction ids, i have used serial ints

On Fri 2 Apr, 2021, 8:56 AM Rob Sargent, <robjsargent@xxxxxxxxx> wrote:
On 4/1/21 8:28 PM, Merlin Moncure wrote:
>
> This is one of the great debates in computer science and it is not
> settled.  There are various tradeoffs around using a composite key
> derived from the data (aka natural key) vs generated identifiers. It's
> a complex topic with many facets: performance, organization,
> validation, and correctness are all relevant considerations.  I would
> never use UUIDS for keys though.
>
> merlin
>
>
And, pray tell, for what exactly would you use universally unique
identifiers.



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