matlab学习教程
内容很基本，我也是转载的
对新手很有帮助，英文的，但是能听懂-matlab tutorial learning content is very basic, I am also reproduced very helpful for novice English, but can understand
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001969s ]
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:0.140691s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001794s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003314s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001606s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006257s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001528s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005342s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016141s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001499s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 3049 [ RunTime:0.001685s ]
