Keys & Constraints in Database Design (Primary/Foreign Keys) | Netflix DB Interview Series – Part 2
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Keys & Constraints in Database Design (Primary/Foreign Keys) | Netflix DB Interview Series – Part 2
In this video (Part 2 + Part 3 combined), we go from “What is a table?” to the most important interview backbone: Keys and Constraints. You’ll understand: Why identifying rows is a real-world problem What a Primary Key is (and why it can’t be null) Natural Key vs Surrogate Key (and what Netflix would actually prefer) What a Foreign Key ...
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