Data cleansing involves all of the following except
A. filtering out or repairing invalid data
B. summarizing data for ease of extraction
C. transforming data into standard business terms
D. formatting data from legacy systems
Answer: B
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A variable declared as a base class type can only be used to reference members declared in the ____________.
a. derived class b. base class c. abstract class d. parameterless constructor
What numbers are displayed in the list box when the button is clicked on?
``` Private Sub btnDisplay_Click(...) Handles btnDisplay.Click Dim file As String = 'Beatles.txt" Dim fabFour() As String = FillArray(file) lstBox.Items.Add(Array.IndexOf(fabFour, "Ringo") lstBox.Items.Add(fabFour.Count - 1) End Sub Function FillArray(file As String) As String() Dim names() As String = IO.File.ReadAllLines(file) Return names End Function ``` Assume the four lines of the file Beatles.txt contain the following entries: John, Paul, Ringo, George. (A) 3 and 3 (B) 3 and 4 (C) 2 and 3 (D) 2 and 4
Describe SQL Server Data Tools. How can it be used to create SSIS packages?
What will be an ideal response?
The MoveTo method takes three arguments. What do the first two arguments repre- sent?
a) The direction in which the Agent should move (left, right, up, down). b) The name of the character and its position. c) The x-coordinate and y-coordinate of the location to which the Agent should move. d) The name of the character and the direction of movement.