Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Attributes Relationships Primary keys Entities Attributes Relationships Primary keys Entities ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following can many entity instances of one type be related to many entity instances of another type? Many-to-Many Relationship One-to-One Relationship One-to-Many Relationship Composite Relationship Many-to-Many Relationship One-to-One Relationship One-to-Many Relationship Composite Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data dictionary tells the DBMS what files are in the database All of the listed here what these files contain what attribute are possessed by the data what files are in the database All of the listed here what these files contain what attribute are possessed by the data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An application where only one user accesses the database at a given time is an example of a(n) ________ . single-user database application data mining database application e-commerce database application multiuser database application single-user database application data mining database application e-commerce database application multiuser database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The Management Information system (MIS) structure with one main computer system is called a centralized MIS structure hierarchical MIS structure decentralized MIS structure distributed MIS structure centralized MIS structure hierarchical MIS structure decentralized MIS structure distributed MIS structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file None of these both (b) and (c) has a number assigned to each record is sorted in ascending order contains only a list of keys and record numbers None of these both (b) and (c) has a number assigned to each record is sorted in ascending order contains only a list of keys and record numbers ANSWER DOWNLOAD EXAMIANS APP
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