Re: What's the use of the Z_UUID in the Z_METADATA table?
Re: What's the use of the Z_UUID in the Z_METADATA table?
- Subject: Re: What's the use of the Z_UUID in the Z_METADATA table?
- From: "Shawn Erickson" <email@hidden>
- Date: Tue, 12 Aug 2008 14:41:06 -0700
On Tue, Aug 12, 2008 at 1:17 PM, Gustavo Vera <email@hidden> wrote:
> What's the use of the Z_UUID in the Z_METADATA table?
Likely a UUID ("Universally Unique Identifier").
> Is some kind of check sum or something like that?
Not likely.
> CoreData uses this value for something?
Likely.
> Why is this value different every time the DB is regenerated?
Different instance of the database so different unique id, as a guess.
> Is the generation of it a random-based one? Or is it based on
> random+"another thing"?
man uuid
-Shawn
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