本例演示了怎样统计一串数字中各个数字的个数，虽然简单，但示范了方法。-This example shows you how a bunch of statistics on the number of figures in each number, although simple, but the method of demonstration.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001517s ]
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:0.097327s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.012368s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002399s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001519s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003513s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000905s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003632s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017751s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.000988s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 139098 [ RunTime:0.013390s ]
