应用文档，方便理解Altera i/O 输出时间，如何定义Tco,以及计算用户系统输出时间的方法！-application documents, facilitate understanding of Altera i/O output time, the definition of Tco. user and system output of the time!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001277s ]
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:0.088009s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001179s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002078s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001191s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003698s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000999s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003350s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018017s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001413s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 152752 [ RunTime:0.001655s ]
