Introduction to Database System Helping people keep track of things is the purpose of a(n) ________ . relationship table database instance relationship table database instance ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attributes A and B determine attribute C, then it is also true that: (A,B) is a composite determinant. B → A → C is a determinant. (A,B) is a composite determinant. B → A → C is a determinant. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A network schema restricts the structure to a one-to-many relationship stores data in tables permits many-to-many relation¬ships All of the listed here restricts the structure to a one-to-many relationship stores data in tables permits many-to-many relation¬ships All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Identifier Relationship Entity Attribute Identifier Relationship Entity Attribute ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An-owner-member set in the CODASYL specifications may have only one member but many member occurrence only one owner but many owner occurrences All of the listed here more than one member but only one occurrence per member only one member but many member occurrence only one owner but many owner occurrences All of the listed here more than one member but only one occurrence per member ANSWER DOWNLOAD EXAMIANS APP
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