简单实用的C语言学习实例程序，非常适合初学者，从简单的源代码中看出C语言学习的诀窍。-Simple and practical examples of C-language learning program is ideal for beginners, from a simple C source code to see language learning tips.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001033s ]
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:0.065114s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000949s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001209s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001036s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003412s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000817s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003816s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014911s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001059s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 165222 [ RunTime:0.010112s ]
