VC++编程，有源代码，这个程序提供了一个用PPM算法进行文件压缩/解压的类-VC++ Programming, source code, this procedure provides an algorithm using PPM file compression/decompression classes
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001052s ]
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:0.095921s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001480s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003036s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001573s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006088s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001296s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005847s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014742s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001259s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 63851 [ RunTime:0.001309s ]
