一个关于数据库管理系统的开发实例，包含数据库的一般功能，增删改查-Database management system on the development of example, the database contains the general features, additions and deletions to search
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001294s ]
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:0.094432s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001234s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001899s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001219s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003574s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001067s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003193s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014939s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001954s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 319489 [ RunTime:0.001469s ]
