Hive（五）hive的高級應用

 一、視圖 視圖：享用基本表的數據，不會生成另外一份數據 創建視圖： create view view_name as select * from carss; create view carss_view as select * from carss limit 500; 查看視圖： desc view_name desc carss_view 刪除視圖： drop view view_na

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