In relational databases the attributes contained in an associative table are traditionally the combination of the keys in the tables involved in the relationship.
在关系数据库中,关联表中包含的属性传统上是关系中涉及到的表中的键组合。
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In Figure 11 you see how to use an associative table to implement a many-to-many relationship.
图11中,可以看到如何使用关联表来实现多对多关系。
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In addition, normal subjects needed to be aware of the relationship between study and test to form associative priming and densely memory deficit patients could not form memory for new associations.