Sql Queries

Valentyn Kucherenko

An SQL Basics Primer for Non-IT Professionals

You don’t need to be an IT professional to understand SQL. Our quick primer of SQL basics is perfect for beginners without any computer science or programming background. If you’ve ever tried to learn a new software program, you know it takes more than just a few minutes. But it doesn’t mean you can’t learn it! The same is true if you want to learn SQL and databases. Even if you don’t have an IT background, you can do it.

Tihomir Babic

20 Basic SQL Query Examples for Beginners: A Complete Overview

These 20 basic queries are a must in a starter pack for every SQL beginner. These examples will get you going on your journey to mastering SQL. You’ve set your mind on learning SQL, googled ‘basic sql query examples’ or something similar, and here you are staring at this article. Now what? All learning starts with the basics, so let’s start with the most basic question: What Is SQL?

Jakub Romanowski

The Best Way to Learn SQL: A Comprehensive Guide for Beginners

If you've ever wondered about the best way to learn SQL, you're in the right place. Whether you're a complete beginner or an experienced professional looking to upskill, this comprehensive guide will show you the way. In today's data-driven world, you can think of data as a treasure chest full of gold. And SQL (Structured Query Language) is your personal key to unlocking it. SQL is a potent tool that allows you to communicate with databases, enabling you to extract, shape, and make sense of data.

Alexandre Bruffa

How SQL Skills Can Boost Your Resume

You may wonder: does having SQL skills matter? In what areas could I use my SQL skills? In this article, I will explain how having SQL skills can boost your resume and add momentum to your professional career. We are living in the Big Data era. Every time we go online, we provide the websites we visit with a lot of information. If we voluntarily give our data by creating an account, filling out a form, or making a purchase, we give them even more information.

Ignacio L. Bisso

SQL Window Functions By Explanation

In our previous post, we explained how SQL window functions work by example. We started with some very simple, basic functions. Let's extend it by explaining subclauses in window functions. SQL window functions are a great way to compute results from a set of rows rather than a single row. As you know from our first article, the "window" in window function refers to the set of rows. We showed you some examples of simple window functions like RANK and LEAD.