Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Relationships Attributes Entities Primary keys Relationships Attributes Entities Primary keys ANSWER DOWNLOAD EXAMIANS APP
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 With respect to data input, the most accurate description of batch control is None of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system dividing documents to be entered into batches controlling the input of each input clerk All of these None of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system dividing documents to be entered into batches controlling the input of each input clerk All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An Enterprise Resource Planning application is an example of a(n) ________ . 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 multiuser database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not true of the traditional approach to information processing? Programs are dependent on the files It is inflexible All of these There is common sharing of data among the various applications It is file-oriented Programs are dependent on the files It is inflexible All of these There is common sharing of data among the various applications It is file-oriented ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select data in rows and column from one or more tables? SELECT CHOOSE LIST None of these BROWSE SELECT CHOOSE LIST None of these BROWSE ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS