The principle difference between an entity and a table is that you can express a relationship between entities without using foreign keys.
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Q14: A compound identifier is an identifier consisting
Q21: An ID-dependent entity is an entity whose
Q26: The notation 1:N shows the relationship's maximum
Q31: ID-dependent entities are associated by a nonidentifying
Q33: When designing a database,first identify the entities,then
Q34: In an E-R model,the three types of
Q35: E-R models use an identifying relationship to
Q35: A relationship's minimum cardinality indicates whether or
Q36: A relationship's minimum cardinality indicates the number
Q38: The degree of a relationship is expressed
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