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	<title>MySQL &#187; 4nf</title>
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		<title>Četvrta normalna forma</title>
		<link>http://www.mysql.rs/2009/05/cetvrta-normalna-forma/</link>
		<comments>http://www.mysql.rs/2009/05/cetvrta-normalna-forma/#comments</comments>
		<pubDate>Mon, 11 May 2009 06:21:37 +0000</pubDate>
		<dc:creator>Bogdan Kecman</dc:creator>
				<category><![CDATA[Support]]></category>
		<category><![CDATA[4nf]]></category>
		<category><![CDATA[normalizacija]]></category>
		<category><![CDATA[normalna forma]]></category>
		<category><![CDATA[optimizacija]]></category>

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		<description><![CDATA[Za DB model možemo reći da ispunjava uslove četvrte normalne forme ako za svaku ne trivijalnu višeznačnu zavisnost A→→ B postoji funckionalna zavisnost A→C za svaki atribut C u modelu, odnosno A je superključ. Prevedeno na srpski, svaka zavisnost je po ključu. U realnom životu treća ili BC normalna forma su uglavnom dovoljne. Pregledao sam [...]]]></description>
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