Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Primary keys Entities Attributes Relationships Primary keys Entities Attributes Relationships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database design may be based on existing data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not considered to be a basic element of an enterprise-class database system? Users Database applications COBOL programs DBMS Users Database applications COBOL programs DBMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The logical data structure with a one-to-many relationship is a network chain tree relational network chain tree relational ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among: rows. relations. tables. attributes. rows. relations. tables. attributes. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an archetype and an instance of that archetype. False True False True ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS