Data Wrangling With Sql Raghav Kandarpa Shivangi Saxena by Raghav Kandarpa | Shivangi Saxena instant download after payment.

Become a data wrangling expert and make well-informed decisions by effectively utilizing and analyzing raw unstructured data in a systematic manner
Purchase of the print or Kindle book includes a free PDF eBook
Key Features
    Implement query optimization during data wrangling using the SQL language with practical use cases
    Master data cleaning, handle the date function and null value, and write subqueries and window functions
    Practice self-assessment questions for SQL-based interviews and real-world case study rounds
Book Description
The amount of data generated continues to grow rapidly, making it increasingly important for businesses to be able to wrangle this data and understand it quickly and efficiently. Although data wrangling can be challenging, with the right tools and techniques you can efficiently handle enormous amounts of unstructured data.
The book starts by introducing you to the basics of SQL, focusing on the core principles and techniques of data wrangling. You’ll then explore advanced SQL concepts like aggregate functions, window functions, CTEs, and subqueries that are very popular in the business world. The next set of chapters will walk you through different functions within SQL query that cause delays in data transformation and help you figure out the difference between a good query and bad one. You’ll also learn how data wrangling and data science go hand in hand. The book is filled with datasets and practical examples to help you understand the concepts thoroughly, along with best practices to guide you at every stage of data wrangling.
By the end of this book, you’ll be equipped with essential techniques and best practices for data wrangling, and will predominantly learn how to use clean and standardized data models to make informed decisions, helping businesses avoid costly mistakes.
What you will learn
    Build time series models using data wrangling
    Discover
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