It also states that this' s object mapping contains an SQL column called prod_id, and that this column should be used along with category_id to identify the many-to-many relationship.
它还声明该的对象映射含有一个称为prod _ id的sql列，该列应该同category _ id一起用来标识多对多关系。
It also states that this' s object mapping contains an SQL column called prod_id, and that this column should be used along with category_id to identify the many-to-many relationship.
它还声明该的对象映射含有一个称为prod _ id的sql列，该列应该同category _ id一起用来标识多对多关系。
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