智能客户端本章分析在客户端处理数据时的各种注意事项，包括数据缓存、数据并发以及数据集和 Windows 窗体数据绑定的使用。-smart client analysis of this chapter in processing client data to the various matters, including data caching, Concurrent data and data sets and Windows Forms data binding use.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000970s ]
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:0.065189s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001004s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001268s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001039s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003484s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000913s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003750s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018041s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001576s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 240240 [ RunTime:0.019623s ]
