What is the relationship between the main key and a non-key attribute, based on the information provided by another non-key attribute?
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What is the relationship between the main key and a non-key attribute, based on the information provided by another non-key attribute?
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- According to another non-key attribute, what is the connection between the primary key and a non-key attribute?What is the relationship between the main key and a non-key attribute, according to another non-key attribute?A composite primary key has a candidate key for one of its attributes. How would you react to this information?
- A candidate key is possessed by an attribute of a composite primary key. What is your reaction to the aforementioned data?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?Which non-key attribute does the main key relate to, if any, based on the value of some other non-key property?