Introduction to Database System A subtype entity is a special case of another entity called a supertype entity. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an archetype and an instance of that archetype. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a logical data-base structure? tree network chain relational tree network chain relational ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key is made up a several pieces of information uniquely identifies an item in a list both (a) and (b) None of these is a combination of each unique key is made up a several pieces of information uniquely identifies an item in a list both (a) and (b) None of these is a combination of each unique key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a _____ resembles the hierarchical model in many respects. Network database Hierarchical database Relational database None of these Distributed database Network database Hierarchical database Relational database None of these Distributed database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following hardware components is the most important to the operation of a database management system? printer high-resolution video display plotter high speed, large-capacity disk printer high-resolution video display plotter high speed, large-capacity disk ANSWER DOWNLOAD EXAMIANS APP
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