Introduction to Database System An on-line commercial site such as Amazon.com is an example of a(n) ________ . data mining database application multiuser database application single-user database application e-commerce database application data mining database application multiuser database application single-user database application e-commerce database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A network schema All of the listed here permits many-to-many relation¬ships stores data in tables restricts the structure to a one-to-many relationship All of the listed here permits many-to-many relation¬ships stores data in tables restricts the structure to a one-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file has a number assigned to each record contains only a list of keys and record numbers both (b) and (c) None of these is sorted in ascending order has a number assigned to each record contains only a list of keys and record numbers both (b) and (c) None of these is sorted in ascending order 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? Instance entity Subtype entity Supertype entity Archetype entity Instance entity Subtype entity Supertype entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A form can be used to modify records format printed output delete records None of these All of these modify records format printed output delete records None of these All of these ANSWER DOWNLOAD EXAMIANS APP
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