操作系统的内存管理模拟，用C++编写，不是可视化界面，但是十分方便实用~-operating system memory management simulation, C preparation, not visual interface, but very convenient and practical ~
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001449s ]
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:0.179655s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.020550s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.008626s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.007670s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001367s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001253s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 65453 [ RunTime:0.023620s ]
