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From "Julius.Stroffek" <Julius.Strof...@Sun.COM>
Subject Re: Using Derby as a binary store
Date Fri, 24 Nov 2006 12:13:38 GMT
Do you need to store them also on a disk?

Cheers

Julo

Kasper Nielsen wrote:
> I'm just looking for a lightweight solution where I can store bytes 
> (key->value pairs) and create a few indexes on the data.
>
>
> Cheers
>   Kasper
>
>
>> On 11/24/06, Kasper Nielsen <news@kav.dk> wrote:
>>> Hi,
>>>
>>> I'm evaluating Derby for a project of mine. I really would like to 
>>> avoid
>>> using SQL and just use Derby as a binary store. Is this possible?
>>>
>>> My data consists of key -> value pairs where the keys are uniformly
>>> distributed 160 bit numbers and the values are byte arrays.
>>>
>>> For now, I need to support 2 basic queries
>>> * Give me the value mapping for the key K or null if it doesn't exist.
>>> * Give me a map of (key->value)  for the key range of key_start to 
>>> key_end.
>>>
>>> I had a look at the org.apache.derby.iap.store packages but wasn't 
>>> quite
>>> sure where to start.
>>>
>>> Cheers
>>>   Kasper
>>>
>>
>

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