是我第一个学期的作业，java编一个shop，可以查询商品信息、顾客信息等。站长，我的老底都要给你掏空了，多多包涵阿-is my first semester of operation, a series java shop, can find merchandise information, customer information.
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Exercises_with_Sets4 Exercises_with_Sets bak fixture Exercises_with_Sets bak exercises_with_sets
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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:0.090502s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002363s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002431s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004876s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002109s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015719s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002592s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 42634 [ RunTime:0.001247s ]
