In this post, we will solve **Relational Algebra – 4 HackerRank Solution**. This problem **(Relational Algebra – 4)** is a part of **HackerRank Databases** series.

**Task**

In precedence of set operators the expression is evaluated from:

**Solution – Relational Algebra – 4 – HackerRank Solution**

**Correct Answer – Left to right**

**Note:** This problem **(Relational Algebra – 4)** is generated by **HackerRank** but the solution is provided by **CodingBroz**. This tutorial is only for **Educational** and **Learning** purpose.