Introduction to Database System In the relational model, relationships between relations or tables are created by using: determinants. foreign keys. candidate keys. composite keys. determinants. foreign keys. candidate keys. composite keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → S , R is called the determinant. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Attributes Relationships Entities Primary keys Attributes Relationships Entities Primary keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The degree of a relationship refers to the number of entity classes in the relationship. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Embedded pointer provide a secondary access path None of these an inverted index All of these a physical record key a secondary access path None of these an inverted index All of these a physical record key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A multiple-form file management system lets you create a look-up form with an associated read-only password to prevent access by unauthorized users allow you to entry data in all the forms None of these both (a) and (b) lets you define different forms for different operations lets you create a look-up form with an associated read-only password to prevent access by unauthorized users allow you to entry data in all the forms None of these both (a) and (b) lets you define different forms for different operations ANSWER DOWNLOAD EXAMIANS APP