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	<title>danielmiessler.com &#187; Database</title>
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	<link>http://danielmiessler.com</link>
	<description>grep understanding</description>
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		<title>Google Opening BigTable</title>
		<link>http://danielmiessler.com/blog/google-opening-bigtable</link>
		<comments>http://danielmiessler.com/blog/google-opening-bigtable#comments</comments>
		<pubDate>Sat, 05 Apr 2008 08:49:43 +0000</pubDate>
		<dc:creator>Daniel Miessler</dc:creator>
				<category><![CDATA[Database]]></category>
		<category><![CDATA[Google]]></category>

		<guid isPermaLink="false">http://dmiessler.com/blog/google-opening-bigtable</guid>
		<description><![CDATA[BigTable is Google&#8217;s proprietary, non-relational database that powers Google Search and tons of its other products. It&#8217;s based on GoogleFS &#8212; their own filesystem &#8212; that allows them to get scary access speeds from multiple systems in a cluster. It&#8217;ll be interesting to see what developers can do with this as a service. [ Google [...]]]></description>
			<content:encoded><![CDATA[<p><a href="http://labs.google.com/papers/bigtable.html" title="Google Research Publication: BigTable">BigTable</a> is Google&#8217;s proprietary, non-relational database that powers Google Search and tons of its other products. It&#8217;s based on <a href="http://en.wikipedia.org/wiki/Google_File_System" title="Google File System - Wikipedia, the free encyclopedia">GoogleFS</a> &#8212; their own filesystem &#8212; that allows them to get scary access speeds from multiple systems in a cluster.</p>

<p>It&#8217;ll be interesting to see what developers can do with this as a service.</p>

<p>[ <a href="http://www.techcrunch.com/2008/04/04/source-google-to-launch-bigtable-as-web-service/" title="Source: Google To Launch BigTable As Web Service">Google Opening BigTable as a Web Service </a> ]</p>
<div id="crp_related"><h3>Related Content</h3><ul><li><a href="http://danielmiessler.com/blog/google-to-launch-amazon-s3-competitor-%e2%80%98google-storage%e2%80%99-at-io" rel="bookmark" class="crp_title">Google To Launch Amazon S3 Competitor ‘Google Storage’ At I/O</a></li><li><a href="http://danielmiessler.com/blog/the-simple-effective-way-to-track-whats-said-about-you-on-the-internet" rel="bookmark" class="crp_title">The Simple, Effective Way to Track What&#8217;s Said About You on the Internet</a></li><li><a href="http://danielmiessler.com/blog/google-offers-dns-based-site-optimization-service-promising-25-to-60-speed-improvements-techcrunch" rel="bookmark" class="crp_title">Google Offers DNS-based Site Optimization Service, Promising 25% To 60% Speed Improvements | TechCrunch</a></li><li><a href="http://danielmiessler.com/blog/google-doing-federated-openid-for-google-apps-now" rel="bookmark" class="crp_title">Google Doing Federated OpenID for Google Apps Now</a></li><li><a href="http://danielmiessler.com/blog/this-is-why-i-trust-google" rel="bookmark" class="crp_title">This is Why I Trust Google</a></li></ul></div>]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Negative Databases</title>
		<link>http://danielmiessler.com/blog/negative-databases</link>
		<comments>http://danielmiessler.com/blog/negative-databases#comments</comments>
		<pubDate>Sun, 08 Oct 2006 06:04:11 +0000</pubDate>
		<dc:creator>Daniel Miessler</dc:creator>
				<category><![CDATA[Database]]></category>
		<category><![CDATA[Security]]></category>

		<guid isPermaLink="false">http://dmiessler.com/archives/951</guid>
		<description><![CDATA[This article discusses a very cool idea: having databases contain everything except the information that it contains. The upshot is that you can&#8217;t really harvest from this type of database in the same way you can with a standard, &#8220;positive&#8221; database. A very interesting idea. Related ContentIntroduction to Databases &#8211; Stanford UniversityDatabase &#8212; An Overdue [...]]]></description>
			<content:encoded><![CDATA[<p><a href="http://www.economist.com/science/PrinterFriendly.cfm?story_id=7854216">This article</a> discusses a very cool idea: having databases contain everything <em>except</em> the information that it contains. The upshot is that you can&#8217;t really harvest from this type of database in the same way you can with a standard, &#8220;positive&#8221; database. A very interesting idea.</p>
<div id="crp_related"><h3>Related Content</h3><ul><li><a href="http://danielmiessler.com/blog/introduction-to-databases-stanford-university" rel="bookmark" class="crp_title">Introduction to Databases &#8211; Stanford University</a></li><li><a href="http://danielmiessler.com/blog/database-an-overdue-project" rel="bookmark" class="crp_title">Database &#8212; An Overdue Project</a></li><li><a href="http://danielmiessler.com/blog/black-women-and-dating" rel="bookmark" class="crp_title">Black Women and Dating</a></li><li><a href="http://danielmiessler.com/blog/mysql-taking-a-bad-turn" rel="bookmark" class="crp_title">MySQL Taking A Bad Turn?</a></li><li><a href="http://danielmiessler.com/blog/the-balkanization-of-american-thought" rel="bookmark" class="crp_title">The Balkanization of American Thought</a></li></ul></div>]]></content:encoded>
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		<title>A Great Way to Keep Track of All Your Books</title>
		<link>http://danielmiessler.com/blog/a-great-way-to-keep-track-of-all-your-books</link>
		<comments>http://danielmiessler.com/blog/a-great-way-to-keep-track-of-all-your-books#comments</comments>
		<pubDate>Sat, 31 Dec 2005 00:31:59 +0000</pubDate>
		<dc:creator>Daniel Miessler</dc:creator>
				<category><![CDATA[Books]]></category>
		<category><![CDATA[Database]]></category>

		<guid isPermaLink="false">http://dmiessler.com/archives/612</guid>
		<description><![CDATA[This site will let you select the book you have from Amazon and a number of other sources, and then maintain a list of what you own. Very cool stuff &#8212; especially for geeks like me that have over a hundred technical books and need to know exactly what we currently own to avoid buying [...]]]></description>
			<content:encoded><![CDATA[<p>This site will let you select the book you have from Amazon and a number of other sources, and then maintain a list of what you own. Very cool stuff &#8212; especially for geeks like me that have over a hundred technical books and need to know exactly what we currently own to avoid buying duplicates. :)</p>

<p><a href="http://www.librarything.com/">http://www.librarything.com/</a></p>
<div id="crp_related"><h3>Related Content</h3><ul><li><a href="http://danielmiessler.com/blog/librarythingcom" rel="bookmark" class="crp_title">Librarything.com</a></li><li><a href="http://danielmiessler.com/blog/librarythingcom-2" rel="bookmark" class="crp_title">LibraryThing.com</a></li><li><a href="http://danielmiessler.com/blog/how-to-keep-track-of-your-book-collection" rel="bookmark" class="crp_title">How To Keep Track Of Your Book Collection</a></li><li><a href="http://danielmiessler.com/blog/the-dmiesslercom-book-list" rel="bookmark" class="crp_title">The DMIESSLER.COM Book List</a></li><li><a href="http://danielmiessler.com/blog/kindle-books-outselling-hardcover-books" rel="bookmark" class="crp_title">Kindle Books Outselling Hardcover Books</a></li></ul></div>]]></content:encoded>
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		<item>
		<title>Librarything.com</title>
		<link>http://danielmiessler.com/blog/librarythingcom</link>
		<comments>http://danielmiessler.com/blog/librarythingcom#comments</comments>
		<pubDate>Sun, 04 Dec 2005 05:53:58 +0000</pubDate>
		<dc:creator>Daniel Miessler</dc:creator>
				<category><![CDATA[Books]]></category>
		<category><![CDATA[Database]]></category>
		<category><![CDATA[Technology]]></category>

		<guid isPermaLink="false">http://dmiessler.com/archives/587</guid>
		<description><![CDATA[A while back I wrote myself a little online books database using L.A.M.P; it was utterly simple &#8212; a couple of text fields for the author and book title, and a way to list the current books in the library. Well, just recently, someone commented on the post that I should use librarything.com. I just [...]]]></description>
			<content:encoded><![CDATA[<p>A while back I wrote myself a little online books database using <a href="http://en.wikipedia.org/wiki/LAMP_%28software_bundle%29">L.A.M.P</a>; it was utterly simple &#8212; a couple of text fields for the author and book title, and a way to list the current books in the library.</p>

<p>Well, just recently, someone commented on the post that I should use <a href="http://www.librarything.com/">librarything.com</a>. I just went and checked it out and it&#8217;s quite awesome.</p>

<p>If you&#8217;re into reading and/or are anal enough to want to know <em>exactly</em> what books you own, you need to check it out:</p>

<p><a href="http://www.librarything.com">http://www.librarything.com</a></p>
<div id="crp_related"><h3>Related Content</h3><ul><li><a href="http://danielmiessler.com/blog/librarythingcom-2" rel="bookmark" class="crp_title">LibraryThing.com</a></li><li><a href="http://danielmiessler.com/blog/a-great-way-to-keep-track-of-all-your-books" rel="bookmark" class="crp_title">A Great Way to Keep Track of All Your Books</a></li><li><a href="http://danielmiessler.com/blog/how-to-keep-track-of-your-book-collection" rel="bookmark" class="crp_title">How To Keep Track Of Your Book Collection</a></li><li><a href="http://danielmiessler.com/blog/managing-my-book-collection" rel="bookmark" class="crp_title">Managing My Book Collection</a></li><li><a href="http://danielmiessler.com/blog/how-to-effectively-manage-and-process-your-rss-feeds-gtd" rel="bookmark" class="crp_title">How To Effectively Manage and Process Your RSS Feeds [GTD]</a></li></ul></div>]]></content:encoded>
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		</item>
		<item>
		<title>Managing My Book Collection</title>
		<link>http://danielmiessler.com/blog/managing-my-book-collection</link>
		<comments>http://danielmiessler.com/blog/managing-my-book-collection#comments</comments>
		<pubDate>Wed, 26 Oct 2005 03:40:45 +0000</pubDate>
		<dc:creator>Daniel Miessler</dc:creator>
				<category><![CDATA[Books]]></category>
		<category><![CDATA[Database]]></category>
		<category><![CDATA[General]]></category>
		<category><![CDATA[Musings]]></category>

		<guid isPermaLink="false">http://dmiessler.com/archives/546</guid>
		<description><![CDATA[I&#8217;m horny for books. I read them, I collect them, I admire them &#8212; especially those that are information security related. Recently I&#8217;ve been running into a problem in the bookstore while browsing. I come across a title that looks intruiging and then realize that I&#8217;m not sure whether or not I already own it. [...]]]></description>
			<content:encoded><![CDATA[<p>I&#8217;m horny for books. I read them, I collect them, I admire them &#8212; especially those that are information security related.</p>

<p>Recently I&#8217;ve been running into a problem in the bookstore while browsing. I come across a title that looks intruiging and then realize that I&#8217;m not sure whether or not I already own it.   It&#8217;s a horrible feeling, really. The old me says buy it anyway and give it away if it&#8217;s a duplicate, but the new me demands that I check first to see if I own it.</p>

<p>The obvious solution is to be able to check, from the bookstore, whether or not I actually already have a given book. So I made a list of my books in <code>vi</code>, sorted it for easy searching, and <a href="http://dmiessler.com/mybooks">put it on the site</a>.</p>

<p>Now, whenever I&#8217;m in doubt, I can conjure the page over my Blackberry and check to see if I have the damn thing before I buy it. :) W00t.</p>

<p><a href="http://dmiessler.com/mybooks">http://dmiessler.com/mybooks</a></p>

<p>Next I&#8217;ll complete my previous project of manually building a database to do this using <a href="http://en.wikipedia.org/wiki/LAMP">LAMP</a>. I did it already, but my table structure was primitive and the only functions I had were viewing all books and adding new books. What I&#8217;d ultimately like to be able to do is search by any field, e.g. author, edition, subject, etc.</p>

<p>Another thought I&#8217;ve been throwing around is the concept of tagging along the lines of Delicious. In other words, take each book and give it a series of tags. Then, just as with Delicious and Flikr, I could search for all books with a given tag (or even multiple tags). As an example, it&#8217;d be cool to call up all books of mine that have to do with database, or all my Python books, etc. Anyway, this&#8217;ll work for now.</p>
<div id="crp_related"><h3>Related Content</h3><ul><li><a href="http://danielmiessler.com/blog/librarythingcom" rel="bookmark" class="crp_title">Librarything.com</a></li><li><a href="http://danielmiessler.com/blog/how-to-keep-track-of-your-book-collection" rel="bookmark" class="crp_title">How To Keep Track Of Your Book Collection</a></li><li><a href="http://danielmiessler.com/blog/books-and-demons" rel="bookmark" class="crp_title">Books and Demons</a></li><li><a href="http://danielmiessler.com/blog/database-an-overdue-project" rel="bookmark" class="crp_title">Database &#8212; An Overdue Project</a></li><li><a href="http://danielmiessler.com/blog/books-vs-internet" rel="bookmark" class="crp_title">Books vs. Internet</a></li></ul></div>]]></content:encoded>
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		<slash:comments>9</slash:comments>
		</item>
		<item>
		<title>MySQL Taking A Bad Turn?</title>
		<link>http://danielmiessler.com/blog/mysql-taking-a-bad-turn</link>
		<comments>http://danielmiessler.com/blog/mysql-taking-a-bad-turn#comments</comments>
		<pubDate>Mon, 05 Sep 2005 03:23:29 +0000</pubDate>
		<dc:creator>Daniel Miessler</dc:creator>
				<category><![CDATA[Database]]></category>
		<category><![CDATA[Technology]]></category>

		<guid isPermaLink="false">http://dmiessler.com/archives/489</guid>
		<description><![CDATA[Slashdot is running a story about MySQL buddying up with SCO, and both the story itself and the /. comments are quite enlightening. I&#8217;ve always liked MySQL myself &#8212; or, to put it another way, I&#8217;ve never had a problem with it when using it for the few things I&#8217;ve used it for. But hearing [...]]]></description>
			<content:encoded><![CDATA[<p><a href="http://slashdot.org/articles/05/09/04/1730225.shtml?tid=187&#038;tid=126">Slashdot is running a story</a> about MySQL buddying up with <a href="http://en.wikipedia.org/wiki/SCO_Group">SCO</a>, and both the story itself and the /. comments are quite enlightening. I&#8217;ve always liked MySQL myself &#8212; or, to put it another way, I&#8217;ve never had a problem with it when using it for the few things I&#8217;ve used it for. But hearing about these potentially seed affiliations and less than desirable licensing options is not very comforting.</p>

<p>In addition, one fellow geek (Stankdog from <a href="http://www.binrev.com">binrev</a>) &#8212; someone far more versed in database than I am &#8212; thinks <a href="http://www.postgresql.org/">Postgres </a>is <em>definitely</em> is a dramatically superior database overall. <a href="http://www.kenswain.com">Another buddy of mine</a> points out that the main reason MySQL got so big is because of blogging. Every major blogging package I know of is based on it. As a result, Postgres is little more to most people than, &#8220;that <em>other</em> open-source database&#8221;.</p>

<p>The upshot is that it may be time for us geeks to start thinking about Postgres as a lot more than the &#8220;other&#8221; option. An anonymous coward on /. summed it up well:</p>

<blockquote>&#8220;Even those who trust MySQL and Trolltech must realize that their GPL + proprietary licensing schemes lead to future lock-in, and should be avoided for that reason alone.

If you are a MySQL user, and you care about the future of Open Source, you should be looking at alternatives, such as PostgreSQL.&#8221;</blockquote>
<div id="crp_related"><h3>Related Content</h3><ul><li><a href="http://danielmiessler.com/blog/how-to-get-postfix-to-use-smtp-auth-without-mysql" rel="bookmark" class="crp_title">How To Get Postfix To Use SMTP-AUTH *WITHOUT* MySQL</a></li><li><a href="http://danielmiessler.com/blog/under-fire" rel="bookmark" class="crp_title">Under Fire</a></li><li><a href="http://danielmiessler.com/blog/database-an-overdue-project" rel="bookmark" class="crp_title">Database &#8212; An Overdue Project</a></li><li><a href="http://danielmiessler.com/blog/purging-your-snort-database" rel="bookmark" class="crp_title">Purging Your Snort Database</a></li><li><a href="http://danielmiessler.com/blog/looking-for-a-new-blogging-platform" rel="bookmark" class="crp_title">Looking For a New Blogging Platform</a></li></ul></div>]]></content:encoded>
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