内存回收算法,一般学校计算机专业的操作系统课程设计内容.可以免费下载-Algrithms for memory recycle, the subject of the OS curriculum design for the computer department students of colleges.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001361s ]
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:0.094734s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001324s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001989s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001305s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003818s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001185s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003372s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015799s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001587s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 307905 [ RunTime:0.001550s ]
