The strive for eciency is ancient and universal as time and other resources are
always in shortage Thus the question of which tasks can be performed eciently
is central to the human experience
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001019s ]
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:0.092522s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000962s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001185s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000890s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003080s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002476s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004261s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016099s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001394s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 201272 [ RunTime:0.014314s ]
