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	<title>Cipy &#187; mySQL</title>
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		<title>Stergere duplicate in mySQL</title>
		<link>http://www.cipy.ro/internet/stergere-duplicate-in-mysql.html</link>
		<comments>http://www.cipy.ro/internet/stergere-duplicate-in-mysql.html#comments</comments>
		<pubDate>Sun, 24 Jan 2010 19:28:39 +0000</pubDate>
		<dc:creator>Cipy</dc:creator>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[mySQL]]></category>
		<category><![CDATA[duplicate mysql]]></category>

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		<description><![CDATA[O metoda foarte simpla de a sterge duplicatele intr-un tabel mysql. CREATE TABLE copie as SELECT * FROM tabel_cu_duplicate WHERE 1 GROUP BY campul_cu_duplicate; Ce face? Creeaza un noul tabel numit &#8220;copie&#8221; in care se vor gasit aceleasi campuri insa fara inregistrarile duplicat. Atentie! In noul tabel nu se vor copia si indecsii ori optiunile [...]]]></description>
			<content:encoded><![CDATA[<p>O metoda foarte simpla de a sterge duplicatele intr-un tabel mysql. </p>
<pre class="brush: plain;">
CREATE TABLE copie as SELECT * FROM tabel_cu_duplicate WHERE 1 GROUP BY campul_cu_duplicate;
</pre>
<p>Ce face? Creeaza un noul tabel numit &#8220;copie&#8221; in care se vor gasit aceleasi campuri insa fara inregistrarile duplicat.<br />
Atentie! In noul tabel nu se vor copia si indecsii ori optiunile de tip auto_increment deci trebuiesc refacute.</p>
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