小学数学测试系统，随机产生运算题目，可选择测试种类，做完后会给出得分。-Primary Mathematics test the system, randomly generated subject Operators may choose types of tests, completed after the scores given.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001787s ]
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:0.112392s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001690s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003264s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001737s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005332s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001126s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003378s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016618s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001544s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 167958 [ RunTime:0.001379s ]
