什么条件下我们只能在存储单元表中没有存储分区

Question

有人可以给个例子吗 **

1. We can create only bucket (or only bucket is beneficial ) in hive table?
2. We can create only partition(or only partition is beneficial not bucket ) in hive table?
3. We can create both partition with bucket in hive table?

**

我们追求什么有实际可行的方案吗？