ORM (Object role modeling) Lesson 8 - Uniqueness constraints

in #steempress5 years ago

In this lesson we talk about how to add unique constraints (many to one, one to many, many to many, one to one)



Posted from my blog with SteemPress : http://magicmonktutorials.com/blog/2019/09/18/orm-object-role-modeling-lesson-8-uniqueness-constraints/

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Eddie the Magic Monk has 14 years teaching experience as a high school teacher in Australia. He will explain things to you in the simplest way possible to help you fully understand high school mathematics and computer science concepts.
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