数据库程序的作业，，简单了一些，，有些功能未实现，，做了两份作业，一份自己的，一份同学的，，呵呵，，功能一样，，界面不同-database operations, and some simple, some functions had not been achieved, and do two operations, one on their own. a classmate, and huh, and functions, and different interface. .
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002085s ]
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:0.096736s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002296s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001941s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002260s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003853s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001840s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003277s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014926s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002224s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 142185 [ RunTime:0.001123s ]
