Introduction to Database System An entity class is a collection of entities and is described by the structure of the entities in that class. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Primary keys Relationships Attributes Entities Primary keys Relationships Attributes Entities ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields. Object-Oriented Hierarchical Relational Network None of these Object-Oriented Hierarchical Relational Network None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ Contains fields of data about one entity. File Fields None of these Record Document File Fields None of these Record Document ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational database model was created by E.F. Codd. False True False True 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 distributed MIS structure hierarchical MIS structure centralized MIS structure decentralized MIS structure distributed MIS structure hierarchical MIS structure centralized MIS structure ANSWER DOWNLOAD EXAMIANS APP
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