Which three pieces of information did E.F. Codd describe as necessary to retrieve a data value from a relational databas

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answerhappygod
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Which three pieces of information did E.F. Codd describe as necessary to retrieve a data value from a relational databas

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Which three pieces of information did E.F. Codd describe as necessary to retrieve a data value from a relational database?

A. Attribute, domain, and tuple
B. Entity, relation name, and domain
C. Table name, primary key, and entity
D. Attribute, relation name, and primary key
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