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From "Jean T. Anderson" <...@bristowhill.com>
Subject Re: Some Qutesion of Derby
Date Fri, 25 Feb 2005 00:54:18 GMT
I'll attempt to provide a little orientation for the many questions in
Yu Jie's original post (included below). After reviewing the available
information, perhaps Yu Jie could post a shorter list that addresses
questions not covered by information on the web site. So far the Derby
web site is up-to-date. If anyone finds out-of-date info, please post so
someone can correct it.

For release info, see
http://incubator.apache.org/derby/derby_downloads.html .

For license info, see http://incubator.apache.org/derby/license.html .

For information about other projects integrated with Derby (that we know
about) see http://incubator.apache.org/derby/integrate/misc.html . And
if anyone knows about projects that should be added to this list, please

As for who can provide customized services, that's a really good
question. The first thought that comes to mind is maybe Gluecode
(www.gluecode.com).  If anyone does that, post a note and the info will
make it into a new category in
http://incubator.apache.org/derby/integrate/misc.html .

For description of the development process, see
http://incubator.apache.org/derby/derby_comm.html .

For Derby database capabilities (standards support, sql features,
architecture, etc.) see Dan Debrunner's presentation "Introducing Apache
Derby", which is available for download from
http://incubator.apache.org/derby/papers/ApacheConUs04.html .

I hope this helps a little.



Yu Jie wrote:
> Dear Developers,
>     Our organization is planning a big project which
> is a Linux-Embedded system and will be sold as
> products in the market.
>     It is necessary for us to choose a Database
> product. From internet, we found your Database product
> -- Derby, and we are very interested in it,  so we
> have a few important questions to ask though some of
> the answers to them might be found in your website,
> but we are a little afraid whether the information
> might be out-of-date. 
>     We will really appreciate your help if you could
> help us find the answers to the following questions:
> Normal questions:
>    1. What's the exact latest stable version of Derby?
>    2. Is it suitable for embedded system development?
>    3. Whether there is any other software which Derby
> must depend on to work normally?  
>    4. This is a question about license. Could you
> describe the licenses on the following three
> conditions?
>       If we want to redistribute Derby in our product,
> what license fits us?
>       If we want to modify Derby and redistribute it
> in our product, what license fits us?
>       If we want to do development based on Derby's
> API, what license fits us?
>    5. Could you tell us what other products or
> projects have used/are using Derby?
>    6. Has it been tested on the Linux Kernel 2.6 and
> what's the result?
>       Namely, could it be used without any problem in
> the environment of Linux Kernel 2.6? 
>       And if it can't, what's the latest version of
> Linux Kernel does it support without any problem?
>    7. Which linux distribution has it tested on ? (for
> example, RedHat, Fedora Core, Debian, Montavista,
> Mandrake Linux, etc.)
>    8. Could you provide customize services? And what
> the fee is?
>    9. When Derby is version updated, could you provide
> an upgraded version with customized functions for us?
> And what the fee is?
>    10. Do you have any schedule to the further version
> release?
>    11. Could you describe the development team?
>         (How many people does it has? Who is the team
> leader?
>          How to release a version? How to test it? How
> to manage the bugs? ... )
> Questions about DBMS:
>    12. What is the form when it is executing? (for
> example, Server-Client, link as library, etc.)
>    13. Does it provide API? If it does, what kind of
> API does it provide? (for example, C, C++, Java, etc.)
>    14. Does it support ODBC and JDBC on linux?
>         If it does, could you tell us what module do
> it?
>         If it does not, do you know whether other
> organization or individual provide it for Derby?
>    15. Does it fully compliant with SQL92? If it is
> not, could you tell us the variations from SQL92.
>    16. Does it support transaction?
>    17. Does it support system failure recovery? For
> example, if the power is stopped abruptly, could it
> recovery?
>    18. Could it backup database when the database is
> using?
>    19. Does it has limits on the size of fields,
> records, tables and databases?
>         If it has, could you tell us the limits size
> of them? 
>         If you haven't tested the limits size, could
> you tell us the max size you know.
>    20. What is the policy of memory using? 
>         (For example, could a new record use the
> memory of a deleted record, or is the memory using be
> maintained regularly, etc.)
>    Maybe some of questions are not suitable, but any
> informations will help us a lot.
>    If you couldn't answer the above questions, would
> you do me a favor to give me the contact information
> of the person who could answer them? Thank you!
>    Thank you very much again!
>    Wish a successful further cooperation!
> Best regards.
> Yu Jie
> 2005.2.24
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