全国土壤数据集，来源于联合国粮农组织（FAO）和维也纳国际应用系统研究所(IIASA)所构建的世界和谐土壤数据库(Harmonized World Soil Database )(HWSD),该数据库于2009年3月26日发布了1.1版本.该数据可为建模者提供模型输入参数,农业角度可用来研究生态农业分区,粮食安全和气候变化等。
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001356s ]
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:0.087949s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001229s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001889s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001256s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003579s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001068s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003256s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014614s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001432s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 338101 [ RunTime:0.001276s ]
