可以实现一些简单的学生管理工作,比如增添记录,删除记录,修改记录,以及排序等-Can be achieved with some simple management of the students, such as adding records, delete records, modify records, as well as the ranking
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001157s ]
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:0.089629s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.010886s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.013223s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.010250s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.010624s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001753s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004970s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.020845s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001783s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 165312 [ RunTime:0.017769s ]