Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? Greater Entity Count (GEC) Minimum cardinality Maximum cardinality ERD Greater Entity Count (GEC) Minimum cardinality Maximum cardinality ERD ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is a two-dimensional table. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type is related to only one record of another record type. None of these One-to-many relationship Many-to-many relationship One-to-one relationship Many-to-one relationship None of these One-to-many relationship Many-to-many relationship One-to-one relationship Many-to-one relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list in alphabetical order None of these is the result of a sort operation both (b) and (c) is in ascending order is in descending order None of these is the result of a sort operation both (b) and (c) is in ascending order is in descending order ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attribute A determines both attributes B and C, then it is also true that: (B,C) → B → A → C → (B,C) → B → A → C → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Archetype entity Supertype entity Instance entity Subtype entity Archetype entity Supertype entity Instance entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP