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QUESTION 6 Cardinality in relational data model is considered as the number of attributes: True False QUESTION 7 Key Constraint is violated when a given

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QUESTION 6 Cardinality in relational data model is considered as the number of attributes: True False QUESTION 7 Key Constraint is violated when a given value of an attribute is not of the suitable data type: True False QUESTION 8 "It is always better to use a DBMS, even for small applications with one user." True False

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