Introduction to Database System If attributes A and B determine attribute C, then it is also true that: B → A → C is a determinant. (A,B) is a composite determinant. B → A → C is a determinant. (A,B) is a composite determinant. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Keys made up of two or more attributes are called composite keys. True False True False 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 None of these a sequential file a tree file an indexed file a hashed file None of these a sequential file a tree file an indexed file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the ALTER TABLESPACE command is used All of the listed here to change storage characteristics to take a tablespace online/offline to add/rename data files All of the listed here to change storage characteristics to take a tablespace online/offline to add/rename data files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) ________ entity. subtype child parent instance subtype child parent instance ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. False True False True ANSWER DOWNLOAD EXAMIANS APP
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