Introduction to Database System The functional dependency R → S means that the value of S can be determined when we are given a value of R. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? data redundancy program dependence difficult to update All of these lack of data independence data redundancy program dependence difficult to update All of these lack of data independence ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the maximum number of entities that can be involved in a relationship? ERD Greater Entity Count (GEC) Maximum cardinality Minimum cardinality ERD Greater Entity Count (GEC) Maximum cardinality Minimum cardinality ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which of the following is not a data Manipulation Language Commands? SELECT CREATE UPDATE DELETE SELECT CREATE UPDATE DELETE 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? One-to-Many Relationship Many-to-Many Relationship One-to-One Relationship Composite Relationship One-to-Many Relationship Many-to-Many Relationship One-to-One Relationship Composite Relationship 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? Database applications COBOL programs DBMS Users Database applications COBOL programs DBMS Users ANSWER DOWNLOAD EXAMIANS APP