Partial Key Joins occur when there is an implicit many to many relationship between a dimension and a fact.
当一个维度和一个事实之间有一个隐式的多对多关系时会出现Partial KeyJoins。
Partial Key Joins occur when there is an implicit many to many relationship between a dimension and a fact.
当一个维度和一个事实之间有一个隐式的多对多关系时会出现Partial KeyJoins。
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