一个操作系统的课程设计题目,做得不怎么样,FCFS、最短寻道时间、电梯算法。-an operating system subject to the curriculum design, done well, and the FCFS queue, the shortest tracking time, the elevator algorithm.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001269s ]
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:0.089799s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001204s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001907s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001158s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003612s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000982s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003183s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014621s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001276s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 149765 [ RunTime:0.001313s ]