C语言精华例题，读懂了这14个例题，你的C语言水平将有质的飞跃！所有代码均正确无误！-C language essence of excellence, understood that 14 of excellence, your C language level will be a qualitative leap! All of the code are correct!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001540s ]
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:0.094764s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001357s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001973s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001370s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003640s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001187s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003399s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014880s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001532s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 217624 [ RunTime:0.001315s ]
