能够进行矩阵运算，可以自己下载添加上说明就可以达成课程设计报告额-To carry out matrix operations, you can download the add on your description of the report of the amount of curriculum design can be reached
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001421s ]
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:0.102357s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001236s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001958s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001287s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003660s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001513s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004943s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.026403s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001992s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 146690 [ RunTime:0.001531s ]
