这是一个软件工程的文档，详细介绍了如何用数据流图以及数据字典的分析方法开发一个图书馆管理信息系统。-This is a software engineering documents, detailing how to use the data flow diagram and data dictionary analytical methods development of a library management information systems.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001562s ]
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:0.099503s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000893s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001143s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000987s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003026s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000918s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003727s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017384s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001144s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 117431 [ RunTime:0.017988s ]
