数据库文件。对sql数据库的基本用法和创建做了介绍，同时还通过实例来说明了创建过程。-database files. Sql database of the basic usage and the creation of an introductory, but also through the creation of clear examples term process.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001355s ]
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:0.091828s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001414s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002120s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001326s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003781s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001307s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004704s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016045s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001576s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 306311 [ RunTime:0.001609s ]
