信息安全原理及应用
密码学的基本概念和信息理论基础
流密码 分组密码-Principle and application of information security and the basic concepts of cryptography and information theory based on block cipher stream cipher
文 件 列 表
电子商务概论 02网络技术基础.ppt 04电子商务支付系统.ppt 05物流管理.ppt 06网络营销1+2.ppt 07电子商务在其他领域中的应用.ppt 08电子商务的法律规范.ppt 09电子商务的安全.ppt 10电子商务系统的建设.ppt 03电子商务的应用框架和商务模式.ppt 新建 Microsoft Word 文档.doc abc.doc 01电子商务概述.ppt
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002816s ]
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:0.102188s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002481s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002131s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002235s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003893s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002004s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003473s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015589s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002378s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 108659 [ RunTime:0.001104s ]
