Introduction to Database System An identifier typically uses more than one attribute. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The logical data structure with a one-to-many relationship is a chain tree network relational chain tree network relational ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among: rows. relations. tables. attributes. rows. relations. tables. attributes. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Helping people keep track of things is the purpose of a(n) ________ . database relationship table instance database relationship table instance ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT DISTINCT SELECT DIFFERENT All of these SELECT UNIQUE None of these SELECT DISTINCT SELECT DIFFERENT All of these SELECT UNIQUE None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A top-to-bottom relationship among the items in a database is established by a Network schema Hierarchical schema All of the listed here Relational schema Network schema Hierarchical schema All of the listed here Relational schema ANSWER DOWNLOAD EXAMIANS APP