Describe the main modeling primitives of the functional data model.
What will be an ideal response?
The main modeling primitives are entities and functional relationships
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Analyze the following code.
``` public class Test { public static void main(String[] args) { int[] x = new int[3]; System.out.println("x[0] is " + x[0]); } }``` a. The program has a compile error because the size of the array wasn't specified when declaring the array. b. The program has a runtime error because the array elements are not initialized. c. The program runs fine and displays x[0] is 0. d. The program has a runtime error because the array element x[0] is not defined.
Rewrite the domain relational calculus queries that followed Q0 in Section 6.7 in the style of the abbreviated notation of Q0A, where the objective is to minimize the number of domain variables by writing constants in place of variables wherever possible.
What will be an ideal response?
Which of the following input masks would produce the following formatting: the letters AC followed by a plus sign following by four required numbers?
A) "AC+"9999 B) AC+9999 C) "AC+"0000 D) AC+0000
Excel 2013 contains more than 650 functions
Indicate whether the statement is true or false