What would be the right response I should give to the users when they try to DELETE an entity on a datasource sitting behind a rest/odata api, and the operation cannot be performed due to a foreign key constrain? Is it a bad request? A not acceptable? A server-side error (>=500)?What would be the right response I should give
阅读背景：
当由于FK约束而无法执行DELETE时，响应的正确HTTP状态代码是什么？
来源：互联网
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