modeling our world系列学习资料，中文版，是学习gis的非常好的资料。共10部分。-modeling our world series of learning materials, the Chinese version is studying gis very good information. A total of 10 parts.
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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:0.086980s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001189s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003137s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000986s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016206s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001274s ]
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