We are creating a "mathematical notebook" to display a graph, compute the area under the curve, and find the slope of the tangent line of a given point
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001166s ]
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:0.084267s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001114s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001136s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003694s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000999s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014105s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001248s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 235928 [ RunTime:0.001186s ]
