This challenge is a part of Serious SQL course

• Skills learnt:

  ☑ Perform Data Cleansing and Exploratory Data Analysis with SQL

  ☑ Use SQL Reverse Engineering for problem-solving

  ☑ Combine CTEs, JOIN, Aggregate Functions, and Window Functions to solve real-life business problems

  ☑ Perform String Transformations, Datetime Manipulation and make use of Regular Expressions

• What to improve:

  ❎ Practice using Recursive CTE to solve advanced problems

  ❎ Comprehend and use Window Frame with window functions