What is the link between the main key of a relation and the functional connections between all of its attributes?
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Q: What is the connection between a relation's primary key and the functional relationships between all…
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What is the link between the main key of a relation and the functional connections between all of its attributes?
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- How does the primary key of a relation relate to the interdependencies of its characteristics from a functional standpoint?Primary key identifies a unique tuple of a relation, true or false?Computer science What is the relationship between the primary key of a relation and the functional dependencies among all attributes within that relation?
- Why do the functional dependencies among a relation's attributes have to do with the primary key of the relation in the first place?What are three criteria that indicate that a surrogate key for a relation's main key should be created?When it comes to relationships, what is the connection between the main key of a relation and the functional dependencies among all attributes inside that relationship?
- What are three signs that a surrogate key should be generated for the primary key of a relation instead of using the main key?What are three advantages of using a surrogate key rather than the main key to access a relation instead?Can instances of a relation (sample data)prove the existence of a functional dependency? Why or why not?