一个限定使用次数的例子，对于开发试用版本的windows应用程序有很大的参考价值-use of a limited number of examples, for the development of beta version of windows applications have great reference value
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001622s ]
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:0.089111s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001243s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001916s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001235s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003584s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001078s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003207s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.019266s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001574s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 305772 [ RunTime:0.001538s ]
