Introduction to Database System Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Entity Attribute Relationship Identifier Entity Attribute Relationship Identifier ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: foreign keys. composite keys. determinants. candidate keys. foreign keys. composite keys. determinants. candidate keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a 1:N relationship, the parent is the entity on the one side of the relationship and the child is the entity on the N side of the relationship. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an entity and ________ . an archetype entity an instance entity itself a subtype entity an archetype entity an instance entity itself a subtype entity 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? Instance entity Archetype entity Supertype entity Subtype entity Instance entity Archetype entity Supertype entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The way a particular application views the data from the data base that the application uses is a : schema relational model module subschema None of these schema relational model module subschema None of these ANSWER DOWNLOAD EXAMIANS APP
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