What is Spark SQL?

Question

What is Spark SQL?

Answer 1

Spark SQL is a key component of the Spark Framework and primarily used for processing of structured data. Furthermore, it provides several APIs in Python, Scala, R, and Java. One key thing to note is that Spark SQL can integrate relational computing with Spark's functional programming API. Also, Spark SQL provides a programming abstraction called a DataFrame and supports queries using HQL or SQL.

Here is a video tutorial which you can watch to learn more about spark:-