POJ解题报告，包括对题目的分析，算法优略的评述，多种方法的提供-POJ Solution report, including analysis of the topic, the algorithm slightly superior to the comments of the various methods available
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SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.086888s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001936s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002125s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002702s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 155059 [ RunTime:0.001239s ]
