包含几个单片机实验程序,全部用C编写,是单片机初学者的良好实验教材。-Contains several single-chip experimental procedure, all prepared with C is a good single-chip experimental teaching materials for beginners.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002406s ]
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:0.102192s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002688s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.003122s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005999s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002664s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006359s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.025186s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003096s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 68747 [ RunTime:0.001394s ]