poj典型题目解题思路详解
包含源代码和解题时应注意的问题及题目陷阱设计分析-POJ typical Oklahoma Elaborates on topics include source code and they should pay attention to solving the problems and pitfalls topic Design Analysis
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001700s ]
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:0.157268s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001634s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003072s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001520s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003846s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001143s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003343s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017213s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001419s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 154442 [ RunTime:0.001284s ]
