R for Statistics and Data Science — Why do I prefer R programming

Relationships between Tables in SQL

We’re now entering the concept of relationships between tables in SQL. You will feel more…

Solving a Business Task in SQL and Visualizing it in Tableau

A peek into the education of the “average data scientist”

Examples of Different Distributions

In statistics, when we use the term distribution, we usually mean a probability distribution.

Introducing the Normal Distribution

The normal distribution is essential when it comes to statistics. Not only does it approximate a…

Why You Should Learn SQL

Today, in the 21st century, when the world is in constant need of people who can work with huge amounts of data if…

Python ELIF Statement Exercise

Given the 3 sides of a triangle — x, y and z — determine whether the triangle is equilateral, isosceles…

What are Duplicate Records in SQL

Duplicate records in SQL, also known as duplicate rows, are identical rows in an SQL table. This…

Working with Indexes in MySQL

Indexes in MySQL work like the indexes you’ll find in a library.