Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. Update Delete None of these Sort Key Index Update Delete None of these Sort Key Index 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? Supertype entity Instance entity Archetype entity Subtype entity Supertype entity Instance entity Archetype entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Relationship classes are associations between entity classes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The PROJECT command will create new table that has both of the listed here more fields than the original table more rows than the original table none of the listed here both of the listed here more fields than the original table more rows than the original table none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following is a single-entity instance of one type related to many entity instances of another type? Many-to-Many Relationship One-to-Many Relationship One-to-One Relationship Composite Relationship Many-to-Many Relationship One-to-Many Relationship One-to-One Relationship Composite Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if they have no records with the same value in the common field they have a row in common None of these they have a field in common both (b) and (c) they have no records with the same value in the common field they have a row in common None of these they have a field in common both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP
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