ABC RETAILER
Observe the ER diagram for the ABC Retailer:
This ER diagram will be used for the following questions citing ABC Retailer ER Diagram.
-How many columns will the relation PROMOTION have in the relational schema mapped from the ABC Retailer ER diagram?
Definitions:
Natural Concept
A mental category that is formed as a result of everyday experience rather than by strict criteria.
Indirect Experience
Learning or acquiring knowledge through means other than direct involvement or personal experience, such as observing or reading.
Lexicon
The vocabulary of a person, language, or branch of knowledge.
Vocabulary
The set of words known and used by a person or within a particular language.
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