电脑公司销售库存管理软件，可以学习企业资源管理软件的制作的原理。-computer sales inventory management software, we can learn from enterprise resource management software produced by the principle.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002459s ]
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:0.100487s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002442s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002162s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.005749s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003940s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002101s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003279s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.024532s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003351s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 305602 [ RunTime:0.001511s ]
