Introduction to Database System A recursive relationship is a relationship between an entity and ________ . itself an archetype entity a subtype entity an instance entity itself an archetype entity a subtype entity an instance entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a _____ resembles the hierarchical model in many respects. Network database Relational database Hierarchical database Distributed database None of these Network database Relational database Hierarchical database Distributed database None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database is called "self-describing" because it contains a description of itself. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. Delete Update Index None of these Sort Key Delete Update Index None of these Sort Key ANSWER DOWNLOAD EXAMIANS APP
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