Structured Query Language (SQL) is a widely used tool for managing and manipulating data in databases. Basic SQL queries can be simple and easy to learn, but mastering advanced SQL techniques can take your data analysis and management skills to the next level.

Advanced SQL techniques refer to a range of features and functions that enable you to perform complex operations on data, such as aggregations, joins, subqueries, window functions, and recursive queries.

By developing your skills in advanced SQL techniques, you can efficiently and effectively analyze large and complex data sets and extract valuable insights. I am going to explain the following techniques using concrete and understandable examples in detail.