真值表求值，可以对两个数进行求值，合、与、或、等等逻辑关系，界面清楚，有帮助文档-evaluates truth table, a few pairs of two for evaluates, combination, and, or, etc. logic, interface, it was help documentation
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002231s ]
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:0.086169s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002381s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001915s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002223s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003667s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001870s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003251s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014659s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002987s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 71567 [ RunTime:0.001530s ]
