The first step in designing a relational database involves defining information for each relation.
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Q39: The primary key fields from the two
Q40: An intersection relation is:
A)a temporary relation that
Q41: An entity-relationship (E-R)diagram is a graphic method
Q42: Business rules help you define the correct
Q43: A relational database is the most popular
Q45: An E-R diagram includes four basic symbols.
Q46: An instance uniquely describes records.
Q47: An entity class is a table which
Q48: Your implementation of technology should match the
Q49: In an E-R diagram,a rectangle denotes a
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