To achieve this goal, the partitioning key should be selected on the columns that have high cardinality, or in other words, that contain a large number of distinct values.
为了实现此目标，分区键应该在具有较高基数(换言之，即包含大量不同值)的列上选择。
To achieve this goal, the partitioning key should be selected on the columns that have high cardinality, or in other words, that contain a large number of distinct values.
为了实现此目标，分区键应该在具有较高基数(换言之，即包含大量不同值)的列上选择。
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