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From Rick Hillegas <Richard.Hille...@Sun.COM>
Subject Re: [ANNOUNCE] Apache Derby 10.3.1.4 released
Date Tue, 21 Aug 2007 06:04:47 GMT
Rahul Dwivedi wrote:
> o Introduces LOB locators for network clients.
> is it same as saying we store locator object instead of CLOB data in 
> DB tables.
>
> thanks,
> rahul
>
>
>
> Laura Stewart wrote:
>> Additionally in this release, all of the information in the Working
>> with Derby guide was merged into the Getting Started Guide.  The
>> Working with Derby Guide was removed in this release.
>>
>> Laura
>>
>> On 8/10/07, Rick Hillegas <Richard.Hillegas@sun.com> wrote:
>>  
>>> The Apache Derby project is pleased to announce a new feature release
>>> of Derby, 10.3.1.4.
>>>
>>> Apache Derby is a subproject of the Apache DB project.
>>> Derby is a pure Java relational database engine which conforms to the
>>> ANSI SQL and JDBC standards. Derby aims to be easy for developers
>>> and end-users to work with.
>>>
>>> Derby 10.3.1.4 can be obtained from the Derby download site:
>>>
>>> http://db.apache.org/derby/derby_downloads.html.
>>>
>>> Derby 10.3.1.4 introduces the following new capabilities:
>>>
>>> * Security
>>>  o Restricts shutdown, encryption, and upgrade powers to the DBA.
>>>  o Installs a default security manager for the Network Server.
>>>  o Supports SSL encryption of Network Server traffic.
>>>
>>> * SQL
>>>  o Supports the dropping and renaming of columns.
>>>  o Creates empty tables from queries.
>>>  o Makes some CREATE TRIGGER clauses optional.
>>>  o Adds ANSI TRIM capabilities.
>>>
>>> * JDBC
>>>  o Supports all JDBC methods on BLOBs and CLOBs.
>>>  o Expands embedded support for autogenerated keys.
>>>
>>> * Performance and Memory Usage
>>>  o Reduces CPU usage in embedded mode.
>>>  o Improves IN list processing.
>>>  o Introduces LOB locators for network clients.
>>>
>>> * Administration
>>>  o Supports databases with language-specific ordering of character 
>>> data.
>>>  o Allows import/export of LOBs.
>>>  o Enables client-side tracing without changing the application.
>>>  o Supports XAResource.setTransactionTimeout.
>>>  o Adds system procedure support for setting a user's connection level
>>>     authorization.
>>>  o Adds a system procedure to empty the statement cache.
>>>  o Supports diagnostic VTIs with parameters.
>>>
>>> * Platforms and Testing
>>>  o Supports J2ME/CDC/Foundation 1.1.
>>>  o Removes support for JDK 1.3 and J2ME/CDC/Foundation 1.0.
>>>  o Converts many tests to JUnit's assertion-based framework.
>>>
>>>
>>> Regards,
>>> -Rick
>>>
>>>
>>>     
>>
>>
>>   
>
Hi Rahul,

We have not changed what's actually stored on disk. Large objects are 
still stored in the tables themselves. What we have introduced are 
client-side locators, which improve performance and reduce memory usage 
when accessing LOBs across a network.

Hope this helps,
-Rick

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