When Transforming an E-R Data Model into a Relational Database

question 96

Multiple Choice

When transforming an E-R data model into a relational database design,the key of the parent entity should be placed as part of the primary key into the child entity ________.

• A)when the child entity is ID-dependent
• B)when the child entity is non-ID-dependent
• C)when the child entity has a 1:1 relationship with the parent entity
• D)when the child entity has a 1:N relationship with the parent entity
• E)when the child entity has a recursive relationship with the parent entity

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