奇妙的二叉树.rar 里面对数据结构里的二叉树进行了非常详细的说明,对大家学习数据结构有非常大的好处-wonderful binary tree. Rar inside of the data structure, the binary tree for a very detailed description of the data structures you learn a lot more benefits
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001790s ]
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:0.083746s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001201s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001447s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001458s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004544s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000888s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003774s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017422s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001254s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 127488 [ RunTime:0.016375s ]
