21天学通C++，Jesse Liberty 和Bradley Jones编著 第五版课程上面的程序案例。-21-day study-pass C++, Jesse Liberty and Bradley Jones compiled the fifth edition of the course the above procedure cases.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001841s ]
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:0.147996s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001779s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003304s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001748s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006443s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001686s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006215s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.025433s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001943s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 62965 [ RunTime:0.001759s ]
