Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, GRANT command is used to allow user to access databases grant system privileges, roles, and object privileges to uses and roles allow user to create databases None of the listed here allow user to access databases grant system privileges, roles, and object privileges to uses and roles allow user to create databases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A ternary relationship is so called because in contains two entities and one association between them. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Subtype entity Instance entity Supertype entity Archetype entity Subtype entity Instance entity Supertype entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS