包含了c的很多题型，有助于初学者更好更快的了解的C语言的题型！-C contains a lot of kinds of questions can help beginners better and faster understanding of the C language kinds of questions!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001288s ]
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:0.093513s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001383s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001997s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001152s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003624s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000990s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003198s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016677s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001337s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 248299 [ RunTime:0.001310s ]
