Introduction to Database System Which of the following is not characteristic of a relational database model? records complex logical relationships treelike structure tables records complex logical relationships treelike structure tables ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity is related to two or more associated entities that each contain specialized attributes that apply to some but not all of the instances of the entity? Archetype entity Subtype entity Supertype entity Instance entity Archetype entity Subtype entity Supertype entity Instance entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The index consists of None of these a list of keys All of these both (a) and (b) pointers to the master list None of these a list of keys All of these both (a) and (b) pointers to the master list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities of a given type are grouped into a(n): database. ER entity class. attribute. database. ER entity class. attribute. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The Management Information system (MIS) structure with one main computer system is called a decentralized MIS structure hierarchical MIS structure distributed MIS structure centralized MIS structure decentralized MIS structure hierarchical MIS structure distributed MIS structure centralized MIS structure 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
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