July 2023
Beginner to intermediate
350 pages
9h 39m
English
Content preview from Data Wrangling with SQL
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2
Data Profiling and Preparation before Data Wrangling
Now that we have a good idea about how data is stored and maintained in a database and how normalization and de-normalization are used to store data, in this chapter we will discuss the next stage in the process, which is cleaning and transforming data.
In this chapter, we will cover the following main topics:
- Data wrangling and its importance
- Structured and unstructured data
- Data wrangling tools that are used in the industry
- What is data profiling?
What is data wrangling?
Data wrangling is the process of cleaning, transforming, and organizing dirty data into clean data that can be used to generate powerful insights to enable stakeholders to make the right decisions. It is basically the ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.