Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: functional dependencies. normal forms. None of these referential integrity constraints. functional dependencies. normal forms. None of these referential integrity constraints. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The DBMS acts as an interface between what two components of an enterprise-class database system? Database application and SQL Data and the database The user and the database application Database application and the database Database application and SQL Data and the database The user and the database application Database application and the database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System After you _____ a record, many data management the environments require you to issue a command to save the changes you made. Index Delete Update Sort key Index Delete Update Sort key 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? Supertype entity Archetype entity Subtype entity Instance entity Supertype entity Archetype entity Subtype entity Instance entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A form can be used to All of these modify records None of these delete records format printed output All of these modify records None of these delete records format printed output ANSWER DOWNLOAD EXAMIANS APP
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