Midterm general items

Question 1

What is metadata?

Answer 1

data about data:
- data format
- the source of the data
- data description
(find in Results Window in Alteryx)

Question 2

Why is it useful when working with “big” data?

Answer 2

helps keep integrity of ETL process

Question 3

Structured data

Answer 3

contains defined fields, data types, and data labels (excel files, database tables)

Question 4

Unstructured data

Answer 4

audio, video, textual data (Microsoft Word documents, PDFs, emails, text messages, social media data)