In addition, the partitioning key must still be based on relational data.

另外，分区键仍然必须基于关系数据。

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Usually the table partitioning key will be a time-based column.

通常表分区键是基于时间的列。

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Usually the table partitioning key will be a time-based column.

通常表分区键是基于时间的列。

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