Transforming an Extended ER Model Questionnaire

Description

1. The first step in transforming an extended E-R model into a relational database design is to ________.

create a table for each relationship

evaluate the entities against the normalization criteria

remove any recursive relationships

create a table for each entity

2. Each attribute of an entity becomes a(n) ________ of a table.

primary key

foreign key

column

alternate key

3. When representing a 1:1 relationship in a relational database design, ________.the intersection table gets the key from both relations

the key of either table may be placed as a foreign key into the other

the key of each table must be placed as foreign keys into the other

the key of both tables must be the same

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