事实表和任何维度表之间的连接都是等值连接，这使得散列连接成为可能。

The join between the fact table and any dimension table is an equi-join, which makes a hash join possible.

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三个表用等值连接谓词连接。

The three tables are joined with equal join predicates.

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三个表用等值连接谓词连接。

The three tables are joined with equal join predicates.

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