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? Archetype entity Subtype entity Instance entity Supertype entity Archetype entity Subtype entity Instance entity Supertype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa. Many-to-one relationship Many-to-many relationship None of these One-to-many relationship One-to-one relationship Many-to-one relationship Many-to-many relationship None of these One-to-many relationship One-to-one relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a piece of data is stored in two places in the database, then None of these changing the data is one spot will cause data inconsistency both (a) and (b) storage space is wasted it can be more easily accessed None of these changing the data is one spot will cause data inconsistency both (a) and (b) storage space is wasted it can be more easily accessed ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Internal auditors should review data system design before they are developed implemented All of the listed here modified developed implemented All of the listed here modified ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database design may be based on existing data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute that names or identifies entity instances is a(n): identifier. relationship. entity. attribute. identifier. relationship. entity. attribute. ANSWER DOWNLOAD EXAMIANS APP