集合了较完整的数据结构试题，适合数据结构的大牛们使用，小牛们参考-Brings together a more complete examination of the data structure, data structure suitable for use by large cattle, calves reference
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001903s ]
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:0.085391s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002434s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001852s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002186s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003589s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002047s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003283s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014120s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002497s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 178669 [ RunTime:0.001316s ]
