Introduction to Database System Entity instances are associated by relationship classes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Primary keys Relationships Entities Attributes Primary keys Relationships Entities Attributes ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An Enterprise Resource Planning application is an example of a(n) ________ . multiuser database application data mining database application single-user database application e-commerce database application multiuser database application data mining database application single-user database application e-commerce database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Versatile report generators can provide None of these Subtotals Columnar totals All of these Calculations None of these Subtotals Columnar totals All of these Calculations ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a piece of data is stored in two places in the database, then storage space is wasted both (a) and (b) it can be more easily accessed changing the data is one spot will cause data inconsistency None of these storage space is wasted both (a) and (b) it can be more easily accessed changing the data is one spot will cause data inconsistency None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: referential integrity constraints. None of these functional dependencies. normal forms. referential integrity constraints. None of these functional dependencies. normal forms. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS