南开大学出版的C语言上机试题，很权威的。适合考国家计算机3级的朋友参考-Nankai University, published in C language test machine, it is authoritative. Suitable for examination of the National Computer 3 Friend reference
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001039s ]
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:0.060382s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001005s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001255s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001002s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003238s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000816s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003822s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.020329s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001472s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 145584 [ RunTime:0.018974s ]
