Introduction to Database System A functional dependency is a relationship between or among attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if a large computer system is available None of these All of these only a few transactions are involved only a small computer system is available a large computer system is available None of these All of these only a few transactions are involved only a small computer system is available ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent. Network database Hierarchical database Distributed database Relational database Network database Hierarchical database Distributed database Relational database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an entity and ________ . an instance entity itself a subtype entity an archetype entity an instance entity itself a subtype entity an archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a logical data-base structure? tree chain network relational tree chain network relational 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 All of the listed here only one owner but many owner occurrences more than one member but only one occurrence per member only one member but many member occurrence All of the listed here only one owner but many owner occurrences more than one member but only one occurrence per member ANSWER DOWNLOAD EXAMIANS APP