Thinking about getting into coding or leveling up your skills? You’ve probably heard of HackerRank. It’s a big name in the tech world for practice and hiring. But the big question on a lot of people’s ...

Getting good at SQL for interviews can feel like a puzzle. You know the basics, but putting them together in a way that impresses people is another thing entirely. Luckily, there are great tools out ...

To execute a query under the cursor or selected text, press Ctrl+Enter or right-click the query and click Execute-> Execute SQL Statement on the context menu. You can do the same using the main ...

SQL skills are essential for high-demand roles like data analyst, business analyst, data scientist, software developer, and database administrator. Mastering SQL enables professionals to efficiently ...

class Rectangle: def __init__(self,breadth,length): self.breadth=breadth self.length=length def area(self): return self.breadth*self.length pass class Circle: def ...

Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. The questions asked are Invoices Per Country and Product Sales Per City.

Forbes contributors publish independent expert analyses and insights. I write about tech companies, careers, and in-demand skills. Dec 08, 2016, 12:47pm EST Dec 08, 2016, 12:48pm EST This article is ...