Introduction to Database System A data dictionary doesn't provide information about: It is conceptually simple the size of the disk storage device It will be the dominant data base of the future It allows a many-to-many relationship where data is located It is conceptually simple the size of the disk storage device It will be the dominant data base of the future It allows a many-to-many relationship where data is located ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type may be related to more than one record of another record type. Many-to-one relationship One-to-many relationship Many-to many relationship One-to-one relationship Many-to-one relationship One-to-many relationship Many-to many relationship One-to-one relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities of a given type are grouped into a(n): database. entity class. attribute. ER database. entity class. attribute. ER ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A scheme describes records and files record relationships All of these None of these data elements records and files record relationships All of these None of these data elements ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One of the reasons why OODBMSs have not been widely used for business information systems is that OOP is obsolete. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that: A → (B,C). A → (B,C) → A → A → (B,C). A → (B,C) → A → ANSWER DOWNLOAD EXAMIANS APP