08 2013 档案

摘要：举例子：hive> select * from zz0;111111222222888888hive> select * from zz1;111111333333444444888888hive> select * from zz0 join zz1 on zz0.uid = zz1.uid;111111 111111888888 888888hive> select * from zz0 left outer join zz1 on zz0.uid = zz1.uid;111111 111111222222 NULL888888 888888hive> sel 阅读全文