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    <title>Support Forums: Message List - Ted Neward: Tech Talk on object databases</title>
    <link>http://www.theserverside.com</link>
    <description>Most recent forum messages</description>
    <language>en</language>
    
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    <pubDate>Sat, 25 May 2013 14:51:37 -0400</pubDate>


    <item>

        <title>Object Databases CAN Go Relational</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=45306</link>

        

        
            <description><![CDATA[Do you people think Object Databases CAN go Relational themselves?...]]></description>
        

        <pubDate>Mon, 14 May 2007 07:13:04 -0400</pubDate>

        

        <jf:creationDate>Mon, 14 May 2007 07:13:04 -0400</jf:creationDate>
        <jf:modificationDate>Mon, 14 May 2007 07:13:04 -0400</jf:modificationDate>
        <jf:date>May 14, 2007</jf:date>
        <jf:author>Compl Yue Still</jf:author>
        <jf:replyCount>0</jf:replyCount>
    </item>


    <item>

        <title>Re: Native Queries Uncles Example</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=45306</link>

        

        
            <description><![CDATA[<blockquote>What if I don't want to query the objects in-memory </blockquote> I think there is still a misunderstanding. Native Queries do not load all objects into memory. The Native Query optimizer analyzes the #match() method and converts it to a...]]></description>
        

        <pubDate>Sat, 12 May 2007 05:34:37 -0400</pubDate>

        

        <jf:creationDate>Sat, 12 May 2007 05:34:37 -0400</jf:creationDate>
        <jf:modificationDate>Sat, 12 May 2007 05:34:37 -0400</jf:modificationDate>
        <jf:date>May 12, 2007</jf:date>
        <jf:author>Carl Rosenberger</jf:author>
        <jf:replyCount>0</jf:replyCount>
    </item>


    <item>

        <title>Re: Native Queries Uncles Example</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=45306</link>

        

        
            <description><![CDATA[<blockquote>1. It seems uncles() is a method that is part of person. Could I make a search for Persons in another class that is not a person? Or should all classes contain their own search methods?</blockquote>You can write queries in any class,...]]></description>
        

        <pubDate>Sat, 12 May 2007 05:13:21 -0400</pubDate>

        

        <jf:creationDate>Sat, 12 May 2007 05:13:21 -0400</jf:creationDate>
        <jf:modificationDate>Sat, 12 May 2007 05:13:21 -0400</jf:modificationDate>
        <jf:date>May 12, 2007</jf:date>
        <jf:author>Carl Rosenberger</jf:author>
        <jf:replyCount>0</jf:replyCount>
    </item>


    <item>

        <title>Re: Native Queries Uncles Example</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=45306</link>

        

        
            <description><![CDATA[What if I don't want to query the objects in-memory because I need to either:...]]></description>
        

        <pubDate>Fri, 11 May 2007 20:28:31 -0400</pubDate>

        

        <jf:creationDate>Fri, 11 May 2007 20:28:31 -0400</jf:creationDate>
        <jf:modificationDate>Fri, 11 May 2007 20:28:31 -0400</jf:modificationDate>
        <jf:date>May 11, 2007</jf:date>
        <jf:author>peter lin</jf:author>
        <jf:replyCount>1</jf:replyCount>
    </item>


    <item>

        <title>Re: Native Queries Uncles Example</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=45306</link>

        

        
            <description><![CDATA[Although this is specific to db40, I'm curious....]]></description>
        

        <pubDate>Fri, 11 May 2007 19:20:37 -0400</pubDate>

        

        <jf:creationDate>Fri, 11 May 2007 19:20:37 -0400</jf:creationDate>
        <jf:modificationDate>Fri, 11 May 2007 19:20:37 -0400</jf:modificationDate>
        <jf:date>May 11, 2007</jf:date>
        <jf:author>William Martinez</jf:author>
        <jf:replyCount>1</jf:replyCount>
    </item>


    <item>

        <title>Re: Native Queries Uncles Example</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=45306</link>

        

        
            <description><![CDATA[<blockquote>If I'm reading the code correctly, that is a behavior of the Person object. It isn't a behavior of the object database. What happens when I'm searching for all employees that make X salary and there's 300K employees? Wouldn't it be better to...]]></description>
        

        <pubDate>Fri, 11 May 2007 16:10:09 -0400</pubDate>

        

        <jf:creationDate>Fri, 11 May 2007 16:10:09 -0400</jf:creationDate>
        <jf:modificationDate>Fri, 11 May 2007 16:10:09 -0400</jf:modificationDate>
        <jf:date>May 11, 2007</jf:date>
        <jf:author>Carl Rosenberger</jf:author>
        <jf:replyCount>2</jf:replyCount>
    </item>


    <item>

        <title>Re: Native Queries Uncles Example</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=45306</link>

        

        
            <description><![CDATA[If I'm reading the code correctly, that is a behavior of the Person object. It isn't a behavior of the object database. What happens when I'm searching for all employees that make X salary and there's 300K employees? Wouldn't it be better to have the...]]></description>
        

        <pubDate>Fri, 11 May 2007 13:58:10 -0400</pubDate>

        

        <jf:creationDate>Fri, 11 May 2007 13:58:10 -0400</jf:creationDate>
        <jf:modificationDate>Fri, 11 May 2007 13:58:10 -0400</jf:modificationDate>
        <jf:date>May 11, 2007</jf:date>
        <jf:author>peter lin</jf:author>
        <jf:replyCount>3</jf:replyCount>
    </item>


    <item>

        <title>Native Queries Uncles Example</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=45306</link>

        

        
            <description><![CDATA[Takenori's posting just showed a possibility how relations can look like with OO. His example does not demonstrate db4o querying capabilities, it just shows how traversal could look like. Here is a possible way to get all uncles using Native Queries:...]]></description>
        

        <pubDate>Fri, 11 May 2007 13:17:56 -0400</pubDate>

        

        <jf:creationDate>Fri, 11 May 2007 13:17:56 -0400</jf:creationDate>
        <jf:modificationDate>Fri, 11 May 2007 13:17:56 -0400</jf:modificationDate>
        <jf:date>May 11, 2007</jf:date>
        <jf:author>Carl Rosenberger</jf:author>
        <jf:replyCount>6</jf:replyCount>
    </item>


    <item>

        <title>Re: About the &quot;why change my mind&quot; issue</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=45306</link>

        

        
            <description><![CDATA[<div class="jive-quote">these fundamental explicit relationships</div>

How would you encode this information without setting up explicit relationships? If the relationships are explicit there's no need for navigation.]]></description>
        

        <pubDate>Fri, 11 May 2007 11:52:55 -0400</pubDate>

        

        <jf:creationDate>Fri, 11 May 2007 11:52:55 -0400</jf:creationDate>
        <jf:modificationDate>Fri, 11 May 2007 11:52:55 -0400</jf:modificationDate>
        <jf:date>May 11, 2007</jf:date>
        <jf:author>valraven smith</jf:author>
        <jf:replyCount>0</jf:replyCount>
    </item>


    <item>

        <title>Re: the parent-child analogy</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=45306</link>

        

        
            <description><![CDATA[Very good solution, Takenory. ...]]></description>
        

        <pubDate>Fri, 11 May 2007 11:04:12 -0400</pubDate>

        

        <jf:creationDate>Fri, 11 May 2007 11:04:12 -0400</jf:creationDate>
        <jf:modificationDate>Fri, 11 May 2007 11:04:12 -0400</jf:modificationDate>
        <jf:date>May 11, 2007</jf:date>
        <jf:author>William Martinez</jf:author>
        <jf:replyCount>0</jf:replyCount>
    </item>


    <item>

        <title>Re: About the &quot;why change my mind&quot; issue</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=45306</link>

        

        
            <description><![CDATA[<blockquote>The kind of relationship I was thinking of is too complex to describe in a post. To use the parent-child analogy, the kinds of cases I've had to deal with are more like:<br><br>parent  child<br>grandparent  parant  child<br>aunt...]]></description>
        

        <pubDate>Fri, 11 May 2007 10:41:23 -0400</pubDate>

        

        <jf:creationDate>Fri, 11 May 2007 10:41:23 -0400</jf:creationDate>
        <jf:modificationDate>Fri, 11 May 2007 10:41:23 -0400</jf:modificationDate>
        <jf:date>May 11, 2007</jf:date>
        <jf:author>Chris Golfman</jf:author>
        <jf:replyCount>1</jf:replyCount>
    </item>


    <item>

        <title>Re: the parent-child analogy</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=45306</link>

        

        
            <description><![CDATA[ok, I see what you mean, but that implies I need to load all persons related to that instance and iterate over them in memory to filter it. Related to that, what if I'm building a geneology systems for Mormons and the relationships are huge and the...]]></description>
        

        <pubDate>Fri, 11 May 2007 10:30:02 -0400</pubDate>

        

        <jf:creationDate>Fri, 11 May 2007 10:30:02 -0400</jf:creationDate>
        <jf:modificationDate>Fri, 11 May 2007 10:30:02 -0400</jf:modificationDate>
        <jf:date>May 11, 2007</jf:date>
        <jf:author>peter lin</jf:author>
        <jf:replyCount>7</jf:replyCount>
    </item>


    <item>

        <title>Re: the parent-child analogy</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=45306</link>

        

        
            <description><![CDATA[Hi Peter,...]]></description>
        

        <pubDate>Fri, 11 May 2007 09:30:43 -0400</pubDate>

        

        <jf:creationDate>Fri, 11 May 2007 09:30:43 -0400</jf:creationDate>
        <jf:modificationDate>Fri, 11 May 2007 09:30:43 -0400</jf:modificationDate>
        <jf:date>May 11, 2007</jf:date>
        <jf:author>takenori sato</jf:author>
        <jf:replyCount>9</jf:replyCount>
    </item>


    <item>

        <title>Re: the parent-child analogy</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=45306</link>

        

        
            <description><![CDATA[<blockquote>Such a cyclic, many to many relatioship, is one of the best domain for ODBMS. db4objects' demo is a navigation system handling road data, which consists of tons of directed graph. <br><br>You can represent human with one class like this:...]]></description>
        

        <pubDate>Fri, 11 May 2007 08:31:19 -0400</pubDate>

        

        <jf:creationDate>Fri, 11 May 2007 08:31:19 -0400</jf:creationDate>
        <jf:modificationDate>Fri, 11 May 2007 08:31:19 -0400</jf:modificationDate>
        <jf:date>May 11, 2007</jf:date>
        <jf:author>peter lin</jf:author>
        <jf:replyCount>10</jf:replyCount>
    </item>


    <item>

        <title>Re: the parent-child analogy</title>
        <link>http://www.theserverside.com/discussions/thread.tss?thread_id=45306</link>

        

        
            <description><![CDATA[Such a cyclic, many to many relatioship, is one of the best domain for ODBMS. db4objects' demo is a navigation system handling road data, which consists of tons of directed graph. ...]]></description>
        

        <pubDate>Fri, 11 May 2007 06:35:47 -0400</pubDate>

        

        <jf:creationDate>Fri, 11 May 2007 06:35:47 -0400</jf:creationDate>
        <jf:modificationDate>Fri, 11 May 2007 06:35:47 -0400</jf:modificationDate>
        <jf:date>May 11, 2007</jf:date>
        <jf:author>takenori sato</jf:author>
        <jf:replyCount>11</jf:replyCount>
    </item>



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