一些关于C++的练习和相关答案， 一些关于C++的练习和相关答案，一些关于C++的练习和相关答案-Some information about C++, exercises and related answers about C++, exercises and related answers about C++, exercises and related answers about C++, exercises and related answers
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001240s ]
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:0.105915s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001659s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.010206s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002092s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004420s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001388s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006848s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.026940s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001159s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 65181 [ RunTime:0.015133s ]
