Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System 1:1, 1:N and N:M relationships are also known as HAS-A relationships. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In any hierarchy of data organization, the smallest entity to be processed as a single unit is called data file database data field None of these data record data file database data field None of these data record ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type is related to only one record of another record type. Many-to-one relationship One-to-one relationship Many-to-many relationship One-to-many relationship None of these Many-to-one relationship One-to-one relationship Many-to-many relationship One-to-many relationship None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not an advantage of the data-base approach? ability to associate related data elimination of the data redundancy increased security program/data independence All of these ability to associate related data elimination of the data redundancy increased security program/data independence All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in a sequential file None of these a tree file an indexed file a hashed file a sequential file None of these a tree file an indexed file a hashed file ANSWER DOWNLOAD EXAMIANS APP
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