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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-3444) Tearoff database demo
Date Fri, 22 Feb 2008 15:31:19 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12571442#action_12571442

Rick Hillegas commented on DERBY-3444:

This code was developed as part of a presentation which I gave at the Java Mobile and Embedded
Developer Days conference. The conference was sponsored by Sun, Forum Nokia, and BetaVine:
https://developerdays.dev.java.net/ I deliberately built the demo completely out of Apache
parts. It is an all open-source, all Apache effort. I suppose that I could host this demo
someplace else. I think that will tend to draw attention and developers away from Derby. I'd
rather grow the Derby community.

This demo is larger and more complex than our other demos. Qualitatively, I don't see a distinction
though. Those other demos were also developed by individuals and revealed when they were complete.
I find these demos are very helpful in discussions with the user community. A good example
can get a user unstuck fast. It seems to me that all real databases give their customers lots
of demos, including complex ones. "Building database technology" is  much bigger than just
writing engine code. It also includes the following:

1) Building usable demos
2) Writing readable documentation
3) Improving build/test processes

I think that this code is appropriate for Derby. Code like this can potentially invite another
class of developers, viz. the mobile and embedded folks, into our community.

> Tearoff database demo
> ---------------------
>                 Key: DERBY-3444
>                 URL: https://issues.apache.org/jira/browse/DERBY-3444
>             Project: Derby
>          Issue Type: Task
>          Components: Demos/Scripts
>    Affects Versions:
>            Reporter: Rick Hillegas
>         Attachments: derby-3444-01-initial.diff
> Create a demonstration of tearoff databases. This shows how to use arbitrary, parameterized
queries to tearoff datasets from an arbitrary server-hosted database and load those datasets
into a Derby database running on a handset.

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