When adding historical details to a relationship,typically the 1-M relationship is converted to an M-N relationship with an attribute.
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Q7: Both SQL:1999 and the Relational Model directly
Q8: Converting an optional 1-M relationship into a
Q9: In converting a generalization hierarchy in an
Q10: When converting a narrative problem into an
Q11: Primary keys for entity types:
A) Can be
Q13: One of the benefits of transforming an
Q14: In order to make it easier to
Q15: When a 1-1 relationship is converted into
Q16: When converting a narrative problem into an
Q17: In order to enforce referential integrity constraints
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