词典压缩编码 在多媒体中数据量一般都比较大，为了更好的在网络上传输，采用的无损压缩编码-Dictionary Coding in multimedia data is generally larger than that in order to better the transmission on the network, using a lossless compression coding
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002209s ]
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:0.089048s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002510s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002113s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002184s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003661s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001940s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003242s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014359s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002326s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 301501 [ RunTime:0.001126s ]
