我的数据库作业.二叉树的操作和使用.相信计算机相关专业的学生用的着.一起分享吧-the operation of the database. Binary Tree, the operation and use. I believe computer-related professions with the students. Share it
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001391s ]
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:0.092154s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001262s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001904s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001254s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003580s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001080s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003184s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014753s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001437s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 67783 [ RunTime:0.001381s ]
