为了方便大家学习数据结构，上传了一本数据结构的电子书供大家参考-In order to facilitate them to learn from the data structure, the upload of a data structure of the e-books for your reference
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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:0.072643s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001530s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001140s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001138s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001557s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 174710 [ RunTime:0.022349s ]
