Using these materialized views, user queries can be answered quickly because querying the external sources where the base data reside is avoided.
使用这些实体化视图,用户的查询能够被迅速地回答,因为这种办法可以避免查询基数据中所包含的其他数据源。
Using these materialized views, user queries can be answered quickly because querying the external sources where the base data reside is avoided.
使用这些实体化视图,用户的查询能够被迅速地回答,因为这种办法可以避免查询基数据中所包含的其他数据源。
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