串行大容量存储器的c51 读写源程序特点：占用io口线少，缺点：读写时间比并行时间长-Serial large memory read and write the source decoder features : io occupied mouth lines, shortcomings : reading and writing than parallel long time
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002719s ]
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:0.118436s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002483s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002970s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003772s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.004657s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015700s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002606s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 305609 [ RunTime:0.001288s ]
