老师管理系统 具有添加,删除和插入学生信息的基本操作 和对学生成绩的查询-teacher management system with add, delete and insert the student information and the basic operation of student inquiries
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001195s ]
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:0.078822s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001162s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001873s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001230s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003143s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000798s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003533s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016316s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001055s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 71775 [ RunTime:0.015862s ]
