三个表用等值连接谓词连接。
丢失连接谓词，只在定义了外键的情况下。
Missing join predicates, but only if a foreign key is defined.
您需要使用本地谓词和连接谓词设计索引，以支持高效访问。
You need to design indexes to support efficient access with local predicates and join predicates.
即，通过连接谓词，CUST_INTEREST表的选择性非常强。
That is, table CUST_INTEREST could be very selective through the join predicate.
即，通过连接谓词，CUST_INTEREST表的选择性非常强。
That is, table CUST_INTEREST could be very selective through the join predicate.
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