Introduction to Database System Which of the following is not a logical data-base structure? tree chain relational network tree chain relational network ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: functional dependencies. referential integrity constraints. None of these normal forms. functional dependencies. referential integrity constraints. None of these normal forms. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Large collections of files are called records None of these databases file system fields records None of these databases file system fields ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The degree of a relationship refers to the number of entity classes in the relationship. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute that names or identifies entity instances is a(n): relationship. entity. identifier. attribute. relationship. entity. identifier. attribute. 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. child parent subtype instance child parent subtype instance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS