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http://mysql-qotd.casperia.net/archives/305
mysql 5.0/5.1 questions for learning purposesFri, 06 Aug 2010 16:56:36 +0000http://wordpress.org/?v=abchourly1By: urs
http://mysql-qotd.casperia.net/archives/305/comment-page-1#comment-47
ursTue, 09 Mar 2010 19:51:52 +0000http://mysql-qotd.casperia.net/?p=305#comment-47<b>
Answer:
b
b reads the table only once - a and c read it 3 times to get the result.
</b>
Answer:
b
b reads the table only once – a and c read it 3 times to get the result.