Introduction to Database System If attributes A and B determine attribute C, then it is also true that: A → (A,B) is a composite determinant. B → C is a determinant. A → (A,B) is a composite determinant. B → C is a determinant. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What name is given to the collection of facts, items of information or data which are related in some way? Directory information Information tree Database Information provider Directory information Information tree Database Information provider ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary doesn't provide information about: It is conceptually simple where data is located It will be the dominant data base of the future It allows a many-to-many relationship the size of the disk storage device It is conceptually simple where data is located It will be the dominant data base of the future It allows a many-to-many relationship the size of the disk storage device ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: normal forms. referential integrity constraints. functional dependencies. None of these normal forms. referential integrity constraints. functional dependencies. None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if None of these they have no records with the same value in the common field both (b) and (c) they have a row in common they have a field in common None of these they have no records with the same value in the common field both (b) and (c) they have a row in common they have a field in common ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System All instances of an entity class have the same attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
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