这是一个用PB做的学生成绩管理系统，可以做为普通学校的成绩管理专用。-This is a PB to do with student performance management system that can serve as an ordinary school performance management precincts.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002032s ]
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:0.096569s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001277s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001900s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001238s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003609s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001065s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003255s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016733s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001564s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 120329 [ RunTime:0.001306s ]
