操作系统中的页面调度(先进进出，最近很少使用算法，最佳算法等等，操作系统中比较重要的算法)-operating system pages Scheduling (advanced access, recently rarely used algorithm, the best algorithms and so on the operating system more important algorithm)
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002229s ]
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:0.094404s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002574s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002026s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002222s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003852s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002004s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003276s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014562s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002562s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 112868 [ RunTime:0.001391s ]
