开发硬件电路需要用到液晶显示模块1602的用户必备。调试实验源程序第四部分。-Hardware needed to develop liquid crystal display module 1602 required the user. The fourth part of the experimental source code debugging.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000952s ]
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:0.081548s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000973s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001138s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000944s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003162s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000789s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015620s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001100s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 236510 [ RunTime:0.011912s ]
