操作系统模拟程序 简单实现作业调度算法（先来先服算法，短作业优先算法，高响应比算法）-operating system simulation program to achieve a simple scheduling algorithm (first-come first-served algorithm, short operating priority algorithm, a high response ratio algorithm)
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000977s ]
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:0.095217s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002516s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002808s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002611s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.007720s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001240s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.007140s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017041s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001315s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 67724 [ RunTime:0.024271s ]
