详细介绍了在MATLAB环境中，MAT文件的编辑与读写，通常使用load和save两个命令进行 MAT 文件的读和写-Described in detail in the MATLAB environment, MAT files editing and read and write, load and save commonly used two commands to read and write MAT files
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001101s ]
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:0.077993s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000891s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001078s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001081s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003028s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000856s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003647s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.013366s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001104s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 26903 [ RunTime:0.013800s ]
