Info 3233 (Uncc) Test1
What is one or more attributes that determines other attributes? key What is a key that is composed of more than one attribute? composite key Brainpower Read More every primary key must be a _____________ candidate key What is any key that uniquely identifies each row, that functionally determines all of the entity's attributes? superkey What is a superkey without unnecessary attributes? candidate key one candidate key for table primary key each table must have an attribute or combination of attributes that ___________________________ uniquely identifies each row key's role is based on _____________ determination What is an attribute used strictly for data retrieval purposes (does not need to be unique)? secondary key ________________ is an attribute whose values must match the primary key in another table foreign key __________________ views data logically rather than physically relatio
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