数据结构中常用结构的动态演示，可以帮助初学者更好的理解其结构的实现-data structure used dynamic structure of the demonstration, and can help beginners a better understanding of its structure to achieve
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001039s ]
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:0.057990s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000940s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001123s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000902s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.002984s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000745s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003853s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.013812s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001227s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 125648 [ RunTime:0.012619s ]
