Introduction to Database System A functional dependency is a relationship between or among: relations. tables. rows. attributes. relations. tables. rows. attributes. ANSWER DOWNLOAD EXAMIANS APP
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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An Enterprise Resource Planning application is an example of a(n) ________ . e-commerce database application single-user database application multiuser database application data mining database application e-commerce database application single-user database application multiuser database application data mining database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? The columns must be ordered. The cells of the table must contain a single value. No two rows in a table may be identical. All of the entries in any column must be of the same kind. The columns must be ordered. The cells of the table must contain a single value. No two rows in a table may be identical. All of the entries in any column must be of the same kind. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) ________ entity. subtype child parent instance subtype child parent instance ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A ternary relationship is so called because in contains two entities and one association between them. False True False True ANSWER DOWNLOAD EXAMIANS APP