A line in an entity-relationship (E-R) diagram is used to represent the relationships between two entities.
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Q70: Ryan, a database administrator, is in the
Q71: Entities in a data model have _
Q72: The forked lines on the lines representing
Q73: A logical representation of database data, called
Q74: Constraints on the minimum number of entities
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Q77: In an E-R diagram, a(n) _ on
Q78: A _ describes the data and relationships
Q79: A data model is a _.
A) logical
Q80: An identifier is an attribute or a
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