51操作系统RTX51应用,对任务的调度会有很好的了解,很适合初学操作系统的人,另外加了PROTUES对操作系统的仿真-51 operating system RTX51 application of the mission will have a good understanding of scheduling, it is suitable for beginners operating system, and added another on the operating system PROTUES Simulation
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000955s ]
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:0.080542s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001017s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001150s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000897s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004083s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000860s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003874s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015436s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001076s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 213698 [ RunTime:0.017039s ]
