计算机网络,按照网络长层自顶向下的顺序来描述网络.是国外的一本优秀教材-computer networks, according to network-layer top-down order to describe the network. Yes abroad an outstanding teaching
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002007s ]
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:0.098037s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002564s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002076s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002218s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003641s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001965s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003785s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014820s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001753s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 121930 [ RunTime:0.001097s ]
