这是一个求1到100的所有质数的程序，运行后屏幕上显示1到100的所有质数-This a program which caculates all prime numbers from 1 to 100. The output of the program is all the prime numbers from 1 to 100 on the screen.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001031s ]
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:0.070124s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001072s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001040s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003256s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000919s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003677s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.028459s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001220s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 296734 [ RunTime:0.011886s ]
