a) Entity-relationship diagram
b) Entity diagram
c) Database diagram
d) Architectural representation
Answer: a
Explanation: E-R diagrams are simple and clear—qualities that may well account in large part for the widespread use of the E-R model.
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For any pincode, there is only one city and state. Also, for given street, city and state, there is just one pincode. In normalization terms, empdt1 is a relation inWhich forms are based on the concept of functional dependency:
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Which is a bottom-up approach to database design that design by examining the relationship between attributes:
Functional Dependencies are the types of constraints that are based on______
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