Introduction to Database System A file that is organized in uniform format is formally referred to as a _____ or a database file. Database None of these Structured data file Document Record Database None of these Structured data file Document Record ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → S , R is called the determinant. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if they have a row in common both (b) and (c) None of these they have no records with the same value in the common field they have a field in common they have a row in common both (b) and (c) None of these they have no records with the same value in the common field they have a field in common ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. Index Update Sort Key None of these Delete Index Update Sort Key None of these Delete ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a group of one or more attributes that uniquely identifies a row? Tuple Relation Key Determinant Tuple Relation Key Determinant ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a logical data-base structure? network chain tree relational network chain tree relational ANSWER DOWNLOAD EXAMIANS APP
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