Re: [PERFORM] Using PK value as a String

[Moritz Onken]

We chose UUID as PK because there is still some information in an  
integer key.
You can see if a user has registered before someone else (user1.id <  
user2.id)
or you can see how many new users registered in a specific period of  
time
(compare the id of the newest user to the id a week ago). This is  
information
which is in some cases critical.

moritz
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