该PPT是一个内部教学资料，想学习EDA技术的朋友可以看看这个教学资料。-The PPT is an internal teaching materials, want to learn EDA technologies friends can look at the teaching and learning materials.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001303s ]
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:0.093575s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001521s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003264s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001587s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006314s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001379s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006388s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.025957s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001849s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 168979 [ RunTime:0.001644s ]
