android SDK范例大全的第2，3，4，10章。在网上找不到其余章节，请达者上传。-android SDK examples of the corpus of the first chapter 2,3,4,10. Can not find the remaining chapters of the Internet, please reach those who upload.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001160s ]
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:0.066162s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001042s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001250s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001038s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003506s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000961s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003858s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.025184s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001436s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 99514 [ RunTime:0.025345s ]
