Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Instance entity Subtype entity Supertype entity Archetype entity Instance entity Subtype entity Supertype entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An indexing operation sorts file using two keys None of the listed here sorts a file using a single key establishes an index for a file sorts file using two keys None of the listed here sorts a file using a single key establishes an index for a file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent. Distributed database Relational database Hierarchical database Network database Distributed database Relational database Hierarchical database Network database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among: attributes. tables. relations. rows. attributes. tables. relations. rows. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be None of these the pin code a compound key consisting of the first name and the last name the last name All of these None of these the pin code a compound key consisting of the first name and the last name the last name All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The designer of a form includes filed designators data prompts both (a) and (b) None of these filed designators data prompts both (a) and (b) None of these ANSWER DOWNLOAD EXAMIANS APP
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