数据压缩理论，算法编码，行程编码，词典编码，预测编码，变换编码，综合分析编码-Data compression theory and algorithm coding, Run-Length Coding, dictionary coding, predictive coding, transform coding, a comprehensive analysis of coding
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001080s ]
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:0.090790s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001061s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002620s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000886s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003875s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001195s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006674s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015777s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001156s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 164979 [ RunTime:0.013735s ]
