Practice questions

Let’s try to practice the material in this chapter with a few example questions.

Questions

1. The following picture represents what kind of join?

1. Inner join
2. Outer join
3. Left join
4. Right join

2. Only using the Distinct Count of a dataset is an example of what?
   1. Normality
   2. Recoding
   3. Transposition
   4. Reduction
3. The following is an example of what concept?

   Data = "This is a sentence?"

   Data = ["This", "is", "a", "sentence", "?"]

   1. Transposing
   2. Parsing
   3. Derived variables
   4. Reduction
4. The following is an example of what concept?

1. Transformation
2. Dummy coding
3. Blending
4. System functions

5. Which of the following is a logical operator?
   1. IF
   2. NOT
   3. OR
   4. All of the above are logical operators

Answers

Now we will briefly go over the answers to the questions. If you got one wrong, make sure to review the topic in...