Introduction to Database System If attributes A and B determine attribute C, then it is also true that: B → C is a determinant. A → (A,B) is a composite determinant. B → C is a determinant. A → (A,B) is a composite determinant. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System For some relations, changing the data can have undesirable consequences called: modification anomalies. normal forms. referential integrity constraints. transitive dependencies. modification anomalies. normal forms. referential integrity constraints. transitive dependencies. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? Instance entity Subtype entity Supertype entity Archetype entity Instance entity Subtype entity Supertype entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An entity class is a collection of entities and is described by the structure of the entities in that class. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relational database management (RDBM) package manages data in more than one file at once. How does it organize these file? As None of these relations tuple tables both (a) and (b) None of these relations tuple tables both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was the first to implement true relational algebra in a PC DBMS? R:base Oracle dBase-II IDMS R:base Oracle dBase-II IDMS ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS