此代码为我们操作系统课程设计，此算法为页面置换，编程环境vb，编译通过，能够运行。-this code for the operating system curriculum design, this algorithm page replacement, vb programming environment, compiler, capable of running.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001515s ]
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:0.091449s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001238s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001896s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001223s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003590s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001048s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003275s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014373s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001257s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 296093 [ RunTime:0.001347s ]
