Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Instance entity Supertype entity Archetype entity Subtype entity Instance entity Supertype entity Archetype entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in this form if it is in BCNF and has no multivalued dependencies: domain/key normal form. second normal form. third normal form. fourth normal form. domain/key normal form. second normal form. third normal form. fourth normal form. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key is a combination of each unique key is made up a several pieces of information both (a) and (b) uniquely identifies an item in a list None of these is a combination of each unique key is made up a several pieces of information both (a) and (b) uniquely identifies an item in a list None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a record management system might be None of these All of these handwritten list a business form a Rolodex card file None of these All of these handwritten list a business form a Rolodex card file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Large collections of files are called None of these records file system fields databases None of these records file system fields databases ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was the first to implement true relational algebra in a PC DBMS? Oracle IDMS R:base dBase-II Oracle IDMS R:base dBase-II ANSWER DOWNLOAD EXAMIANS APP
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