Introduction to Database System Which of the following is a group of one or more attributes that uniquely identifies a row? Determinant Key Relation Tuple Determinant Key Relation Tuple ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Relations are categorized into normal forms according to the referential integrity constraints that they have. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities of a given type are grouped into a(n): ER entity class. attribute. database. ER entity class. attribute. database. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a _____ resembles the hierarchical model in many respects. Hierarchical database Network database None of these Relational database Distributed database Hierarchical database Network database None of these Relational database Distributed database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute describes the entity's characteristics. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not an advantage of the data-base approach? increased security program/data independence All of these ability to associate related data elimination of the data redundancy increased security program/data independence All of these ability to associate related data elimination of the data redundancy ANSWER DOWNLOAD EXAMIANS APP