这是我们老师布置的一次大作业，多种方法实现空域增强，希望大家能从中获取到帮助！-This is our first great Teacher homework arrangement, a number of ways to enhance airspace realize, I hope that everyone will get to assist!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001976s ]
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:0.087663s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001139s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001289s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001090s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003153s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000893s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003586s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014176s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001829s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 146990 [ RunTime:0.011940s ]
