It is through foreign keys that you can create relationships among tables and enforce certain types of ____________________ constraints in a database.
Correct Answer:
Verified
Q45: What does it mean when an entity
Q46: What is the term used in an
Q47: On an E-R diagram, what does the
Q48: On an E-R diagram, _ entities have
Q49: A rectangle represents each _ in an
Q51: If an entity represented in a supertype
Q52: A subtype _ is the specific attribute
Q53: When designing a database, you might find
Q54: Suppose you have the following two tables
Q55: When are nulls used?
A) when a numeric
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