51单片机开发应用的一些小工具，对我们学习单片机有一些帮助，欢迎使用。-51 single-chip development and application of a number of small tools, to our single-chip learning some help, please use.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001834s ]
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:0.098942s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001385s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001981s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001408s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003785s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001174s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003326s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016115s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001556s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 187980 [ RunTime:0.001453s ]
