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From Georgi Naplatanov <go...@oles.biz>
Subject Re: Database support
Date Sun, 17 May 2009 06:24:13 GMT
BTW HSQLDB supports memory based tables too. Is there a parameter in the
dictionary for switching between memory and disk based (cached) tables ?

Best regards
Georgi

Fay Wang wrote:
> Hi Kevin,
>
> What about SolidDB? The memory-based relational database?
>
> --- On Fri, 5/15/09, Kevin Sutter <kwsutter@gmail.com> wrote:
>
>   
>> From: Kevin Sutter <kwsutter@gmail.com>
>> Subject: Re: Database support
>> To: users@openjpa.apache.org
>> Date: Friday, May 15, 2009, 2:09 PM
>> Okay, so I'm looking at our stated
>> database support [1].� From this chart, I
>> would divide up the databases into the following
>> categories.� The "Not
>> Currently Covered" category is where I would focus my
>> phishing efforts
>> first.� Any discussion?
>>
>> Covered Interest by members of OpenJPA Community
>> =======================================
>> o� Derby
>> o� DB2
>> o� Informix
>> o� Oracle
>> o� MS SQL Server ???
>> o� Sybase ???
>>
>>
>> Not Currently Covered Interest by members of OpenJPA
>> Community
>> =================================================
>> o� MySQL
>> o� PostgreSQL
>> o� H2
>> o� HSQLDB (Hypersonic)
>> o� Firebird ???
>>
>>
>> Are these still required?
>> =================
>> o� Borland Interbase
>> o� Borland JDataStore
>> o� Empress
>> o� Intersystems Cache
>> o� MS Access
>> o� MS Visual FoxPro
>> o� Pointbase
>>
>> Thanks,
>> Kevin
>>
>> [1]
>> http://openjpa.apache.org/builds/latest/docs/manual/manual.html#dbsupport
>>
>> On Thu, May 14, 2009 at 10:01 AM, David Beer <david.m.beer@googlemail.com>wrote:
>>
>>     
>>> Hi Kevin
>>>
>>> Some database vendors usually have some sort of
>>>       
>> universal contact which
>>     
>>> might be the best way of going about it. Posting a one
>>>       
>> of message to
>>     
>>> support forums might well be an idea that could work.
>>>
>>> David
>>>
>>> On Thu, 14 May 2009 08:46:03 -0500 Kevin Sutter
>>> <kwsutter@gmail.com>
>>>       
>> wrote:
>>     
>>>> Hi David,
>>>>
>>>> On Wed, May 13, 2009 at 5:10 PM, David Beer
>>>> <david.m.beer@googlemail.com>wrote:
>>>>
>>>>         
>>>>> Hi Kevin
>>>>>
>>>>> I currently use OpenJPA with the H2 database
>>>>>           
>> for my embeded
>>     
>>>>> programs, and will be considering MySQL for
>>>>>           
>> larger scale programs.
>>     
>>>>> I think that the more database vendors or
>>>>>           
>> suppliers we can get
>>     
>>>>> links with the better for both sides. I am
>>>>>           
>> happily using H2 with
>>     
>>>>> OpenJPA but there were some features I had
>>>>>           
>> to ask about and how to
>>     
>>>>> work with OenJPA.
>>>>>
>>>>> So my point is that we need a way of getting
>>>>>           
>> committers or users
>>     
>>>>> from both sides to help so we need a way of
>>>>>           
>> maybe certifying a
>>     
>>>>> database version.
>>>>>           
>>>> It sounds like we're on the same page.� The
>>>>         
>> tricky part is signing up
>>     
>>>> this help and support from these database vendors
>>>>         
>> and users groups.
>>     
>>>> Maybe I should just post to these vendor's user
>>>>         
>> forums and ask for
>>     
>>>> some support. Just go phishing...� :-)
>>>>
>>>> Kevin
>>>>
>>>>
>>>>         
>>>>> Jut my thoughts.
>>>>>
>>>>> David
>>>>>
>>>>> On Wed, 13 May 2009 16:36:53 -0500 Kevin
>>>>>           
>> Sutter
>>     
>>>>> <kwsutter@gmail.com>
>>>>>           
>> wrote:
>>     
>>>>>> Hi,
>>>>>> I'm trolling...� I'm looking for
>>>>>>             
>> ideas on how we can better
>>     
>>>>>> integrate with the various database
>>>>>>             
>> vendors.� Many of us
>>     
>>>>>> committers have our own "favorite"
>>>>>>             
>> databases due to our
>>     
>>>>>> employers' needs.� But, what about
>>>>>>             
>> the MySQL, or Postgres, or SQL
>>     
>>>>>> Server, or pick your favorite
>>>>>>             
>> databases?� I know we have had some
>>     
>>>>>> interest from these database vendors on
>>>>>>             
>> our users and dev forums,
>>     
>>>>>> but I'm looking for ways to get these
>>>>>>             
>> vendors more involved.
>>     
>>>>>> When they produce a new version of
>>>>>>             
>> their database, it would be
>>     
>>>>>> great to announce OpenJPA
>>>>>>             
>> support.� And, if they have new
>>     
>>>>>> features to take advantage of, that
>>>>>>             
>> would be even better.
>>     
>>>>>> Everybody's development and tests teams
>>>>>>             
>> are limited.� I understand
>>     
>>>>>> that. But, I'm looking for ideas on how
>>>>>>             
>> we can work together to
>>     
>>>>>> accomplish this task.� I'm going
>>>>>>             
>> to cross post on both users and
>>     
>>>>>> dev forums to see if there any lurkers
>>>>>>             
>> that might have some ideas.
>>     
>>>>>> Just to provide a real world
>>>>>>             
>> example...� I was just pinged about
>>     
>>>>>> MS SQL Server 2008 support.� Our
>>>>>>             
>> OpenJPA manual only documents SQL
>>     
>>>>>> Server 2005 support.� I don't have
>>>>>>             
>> experience with SQL Server.
>>     
>>>>>> So, it made me think how we could
>>>>>>             
>> improve this aspect of our
>>     
>>>>>> OpenJPA database support.
>>>>>>
>>>>>> Any thoughts?
>>>>>>
>>>>>> Kevin
>>>>>>             
>>>>>           
>>>       
>
>
>       
>   


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