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Which of the following statements is true about the definition of functional dependencies ( FDs ) ? Question 1 9 options: FDs are constraints that
Which of the following statements is true about the definition of functional dependencies FDs Question options: FDs are constraints that are derived solely from the data types of the attributes FDs are used to specify the ordering of records in a relation FDs are used to define primary and foreign keys for relations FDs are constraints that are derived from the meaning and interrelationships of the data attributes
Which of the following statements is true about the definition of functional dependencies FDs
Question options:
FDs are constraints that are derived solely from the data types of the attributes
FDs are used to specify the ordering of records in a relation
FDs are used to define primary and foreign keys for relations
FDs are constraints that are derived from the meaning and interrelationships of the data attributes
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