Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not an advantage of the data-base approach? program/data independence elimination of the data redundancy ability to associate related data increased security All of these program/data independence elimination of the data redundancy ability to associate related data increased security All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a 1:N relationship, the parent is the entity on the one side of the relationship and the child is the entity on the N side of the relationship. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. False True False True 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 hashed file an indexed file None of these a sequential file a tree file a hashed file an indexed file None of these a sequential file a tree file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Large collections of files are called records None of these file system databases fields records None of these file system databases fields ANSWER DOWNLOAD EXAMIANS APP
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