所有数理统计知识的源代码都在此,是一本数理统计数的配套光盘.里面有各种分布类型及参数估计插值-all mathematical statistical knowledge of the source code here is a mathematical statistical matching CD. There are various types and the distribution parameter estimation interpolation, etc.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001449s ]
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:0.088381s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001050s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002436s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001693s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006838s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001068s ]
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:0.015882s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001268s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 110444 [ RunTime:0.034110s ]
