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2 months ago
Explain the representation of a one-to-many strong entity relationship in a relational database design.
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Database Processing: Fundamentals, Design, and Implementation
Edition: 15th
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One-to-many relationships are represented by placing the primary key of the table on the one side of the relationship into the table on the many side of the relationship as a foreign key. The term parent refers to the table on the one side of a 1:N relationship, and the term child refers to the table on the many side of the 1:N relationship. Therefore, the rule for representing a one-to-many relationship can be summarized as "Place the key of the parent table in the child table as a foreign key."
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