一元多项式.确定算法中每一语句的执行次数和整个程序的时间复杂度.-one yuan polynomial. Each algorithm to determine sentences and the number of the implementation of the entire process time complexity.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001333s ]
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:0.091919s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001262s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001913s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001269s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003618s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001148s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003192s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014657s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001436s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 72328 [ RunTime:0.001342s ]
