管理信息系统开发案例，详细介绍了开发流程包含各种要素，可以作为参考。-Management information system development case, detailing the development process includes a variety of factors can serve as a reference.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:4.802552s ]
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:1.804218s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.023031s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.021098s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.052349s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.033767s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.131750s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.035953s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.130401s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.092893s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 266216 [ RunTime:0.016930s ]
