You would probably need to set up a many-to-many relationship with a join table, requiring several joins to determine the actors for a particular movie.
您可能需要使用一个联接表设置一个多对多关系，这需要几个联接来确定某个电影的演员。
Such descriptions require several hundred pages in other books, and would take away from the skills that you need for the red hat exams.
如此的描述在其他的书中需要一些百页，而且会从技术取走哪一你对红帽考试的需要。
You would need to study type theory at university for several years to understand what it's all about.
你需要学习理论在大学数多年来了解它的全部。
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