显示位图的几种不同方法及其比较.作者：张利浩 王勇.运行环境:VC6.0；Win98.-Bitmap of several different methods and comparison. Author : Zhang Hao Wang Yong. Operating environment : VC6.0; Win98.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002062s ]
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:0.145747s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.003071s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003140s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002650s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003955s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002012s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003458s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015551s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002629s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 179855 [ RunTime:0.001267s ]
