成绩管理程序具有以下功能：学生成绩的录入、统计、查询、修改、插入、删除、输出等。-performance management process has the following functions : recording of student achievement, statistics, inquiries, modify, insert, delete, output.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001950s ]
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:0.088964s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002153s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001951s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002061s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003675s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002071s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003380s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016556s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002455s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 275881 [ RunTime:0.001176s ]
