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	<title>Programming stuff: Bash, Linux, SQL and Java &#187; sql</title>
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		<title>fill a table with random data</title>
		<link>http://bash.editia.info/sql-fill-a-table-with-random-data-18.php</link>
		<comments>http://bash.editia.info/sql-fill-a-table-with-random-data-18.php#comments</comments>
		<pubDate>Fri, 02 Feb 2007 18:15:45 +0000</pubDate>
		<dc:creator>gmunteanu</dc:creator>
				<category><![CDATA[sql]]></category>

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		<description><![CDATA[below is a case with only 2 varchar columns and an intcreate table example(id int unsigned auto_increment not null,column1 varchar(200),column2 varchar(200),column3 int unsigned,primary key(id));
mysql -u USERNAME -pPASSWORD DBNAME -e &#34;insert into example (column1,column2,column3) values (char(FLOOR(65 + (RAND() * 20)),FLOOR(65 + (RAND() * 20)),FLOOR(65 + (RAND() * 20)),FLOOR(65 + (RAND() * 20)),FLOOR(65 + (RAND() * 20)),FLOOR(65 [...]]]></description>
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		<title>OR SQL operator in mysql and slow query</title>
		<link>http://bash.editia.info/sql-or-sql-opertaor-in-mysql-and-slow-query-17.php</link>
		<comments>http://bash.editia.info/sql-or-sql-opertaor-in-mysql-and-slow-query-17.php#comments</comments>
		<pubDate>Fri, 02 Feb 2007 17:42:26 +0000</pubDate>
		<dc:creator>gmunteanu</dc:creator>
				<category><![CDATA[sql]]></category>

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		<description><![CDATA[&#8230;.not anymore, if you use IF.
there are cases where you can get rid of OR and get better performance in mysql.here is a case a table:bookidfrench_nameengl_name
the books have only one name and only one, the other being nullyou have a form on your web page and want to do a search for the books that [...]]]></description>
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