文章介绍了一种以8031单片机为核心片，外接扩展芯片AT93C46电擦除可编程只读存储单片-Article to introduce a 8031 single-chip microcomputer as the core chip, an external expansion AT93C46 chip erase power programmable read-only memory chip
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001229s ]
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:0.067071s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001092s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001180s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000976s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003221s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000846s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004064s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016327s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001187s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 248994 [ RunTime:0.018489s ]
