Relational Model Constraints 

3 hrs online class with my Instructor and I couldn't understand it. But 12 mins with Neso Academy and I understood it perfectly!

Perfect at the point 📍

Binge watched entire playlist 🐱

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Please upload more videos on DBMS

00:10 Constraints in the relational model 01:45 Schema based constraints include domain constraints, key constraints, constraints on nulls, entity integrity constraints, and referential integrity constraints. 03:22 A key in a relation uniquely identifies each tuple 04:59 Every relation has at least one super key by default. 06:38 Identifying keys and super keys in a relation 08:10 Schema-based constraints include primary key, entity integrity, and referential integrity. 09:46 Referential integrity constraint ensures that a tuple in one relation refers to an existing tuple in another relation 11:16 Foreign key and the referential integrity constraints Crafted by Merlin AI.

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please continue this playlist

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I can't see the difference between key and superkey. Can you help?

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Please provide the pdf files of whole playlist. 🙏

Thanks you *10000000. For making

2:30 But many people at facebook signup page enter same value for first name and last name. How database accept those tuple?

6:45 Is this a fit example? In table, for roll number 3, not all values of two tuples is same!

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