二叉树数据结构－数据结构上机编程实验报告，附源码。对在校大学生有用。-binary tree data structure-structure data on the machine programming experiment report, source. For college students useful.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001006s ]
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:0.062145s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001025s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001204s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000932s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003054s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000862s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003480s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014281s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001084s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 198161 [ RunTime:0.148106s ]
