本作品为一简单的数据库引擎,用于简单的学生成绩管理,包括班级课程设置、学分设置、学生成绩入录、总成绩计算和综合测评成绩.可以实时添加删除班级、删除添加同学,也可实时更改信息,自动保存和刷新.--A simple database engine, it`s used to manager students` scores, it includes courses setting,scores setting and inputting, total scores counting and reviewing. it can add/delete class, add/delete classmates, modify real-time information, and save or refresh automatically.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001701s ]
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:0.068573s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001087s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001146s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000935s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003112s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000858s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003548s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017075s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001452s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 105634 [ RunTime:0.015145s ]