该源代码为数据库设计的报刊订阅，和报告，挺详细的，适合初学者-The source code for the database design of newspapers and periodicals subscriptions, and reports quite detailed, suitable for beginners
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002054s ]
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:0.088050s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002268s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001998s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002360s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003881s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002129s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003213s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015833s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002612s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 201935 [ RunTime:0.001282s ]
