Breaking the column distribution per fragment allows for statistics management at the fragment level.

按照片段打断列分布将允许在片段级别上实现统计管理。

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This design increases the number of tables significantly over adding a database instance per customer or creating a column in each table to validate whether the customer is accessing the proper data.

在为每个客户添加数据库实例时，或者在每个表中创建一个数据列以验证客户是否访问合适的数据时，这种设计会大大增加表的数量。

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The system default compression feature needs to be enabled per column.

系统默认值压缩特性需要对每个列单独启用。

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