In a relational model,are also used to establish relationships among tables and to ensure the integrity of the data.
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Q41: When you define a table's primary key,
Q45: The _ relationship is the "relational model
Q48: _ is the real power behind the
Q49: A table is also called a(n) _
Q51: According to Codd's rule of relational database,"Application
Q54: PRODUCT yields all possible pairs of rows
Q56: The _ relationship should be rare in
Q59: Another name for a composite entity is
Q60: A primary key is a(n) _ key
Q63: The _ catalog can be described as
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