您必须了解在产生的资料集程序码中，如何建立资料库中的外部索引键条件约束和串联行为。
It is important to understand how foreign-key constraints and cascading behavior in the database are created in the generated dataset code.
例如，建立新的客户和新的订单，然后尝试储存资料，会导致资料库中所定义的外部索引键条件约束发生冲突。
For example, creating a new customer and a new order and then trying to save the data can cause a conflict with the foreign-key constraints defined in the database.
您的资料库参考共用伺服器物件，例如登入或索引键。
Your database refers to shared server objects, such as logins or keys.
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