Mapping of input columns to partition columns 输入列到分区列的映射。
There are no restrictions on the updatability of the partitioning column 分区列的可更新性没有限制。
The partitioning column is a part of the primary key of the table 分区列是表的primary key的一部分。
Note that the partitioning column may have different names in the underlying tables 称为分区列。请注意,分区列在基础表中可能有不同的名称。
Any computed column that is used as a partitioning column of a partitioned table must be explicitly marked persisted 用作已分区表的分区依据列的任何计算列必须显式标记为persisted 。