本程序，利用BCB6.0编写，可以进行2×2矩阵相乘的运算，并且为可视化程序。-This procedure, using BCB6.0 preparation, can be multiplied by 2 × 2 matrix of computing, and visualization procedures.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.015323s ]
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:0.133358s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000988s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001209s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000949s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003240s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000850s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004782s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015174s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001252s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 271151 [ RunTime:0.027166s ]
