Re: Saving a NSMutableArray
Re: Saving a NSMutableArray
- Subject: Re: Saving a NSMutableArray
- From: "Florian G\. Pflug" <email@hidden>
- Date: Sun, 18 May 2003 04:55:44 +0200
On Sat, May 17, 2003 at 07:41:33AM +0100, Chris Ridd wrote:
>
On 17/5/03 1:43 am, Florian G. Pflug <email@hidden> wrote:
>
> A Berkley DB is essentially an on-disk hash, storing arbitrary values to a
>
> key, As far as I remeber, the key has to be a string, though.
>
>
The version of DB the Apple ships appears to support btree, hash and recno
>
databases. Keys and values can be arbitrary binary. Start with 'man dbopen'
>
and go from there...
Good to know...
>
How is Apple's DB related to Sleepycat's? Is it just an old version and if
>
so are there any licensing issues around using it?
Hm... sleepycat seems to provide db3 under some GPL-alike license.
You may use the library provided that _if_ you distribute the app the uses
it, you have to distribute the source also.
But it's fine to use it internally (for an propritary accounting system
e.g.), and not to release anything.
DB2 seems to have the same license. The db2 license says something about
being different to the 1.85 license in permitting distributions of your app
only if you include the source, so I guess db 1.85 was licensed under some
sort of BSD-style license. But 1.85 might be to old to be used for anything
usefull...
Maybe the *BSD-people have some db2 or db3 clone that is available unter a
BSD-style license?
greetings, Florian Pflug
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