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convert Questions and Answers - O'Reilly Answers
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How to Convert Subqueries to JOINs
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By drgrussell
: 24 October 2009 - 09:19 PM
Sometimes you want to query one table, use that result to query another table, and then use that result to query yet another table. It’s tempting to do this as three separate queries, ...
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Convert Binary, Octal, and Hexidecimal Numbers in Perl
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By gnat
: 20 October 2009 - 05:10 PM
Perl understands numbers specified in binary (base-2), octal (base-8), and hexadecimal (base-16) notation only when they occur as literals in your programs. If they come in as data—such as by readin...
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- 1
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