New Vertabelo Academy Exercise Set – Solve Basic SQL Questions with the SQL Practice Set

sql practice, sql practice exercises with solutions, online sql practice edito, sql practice problems pdf, oracle sql practice exercises with solutions, sql online practice test, sql assignments with solutions, sql query practice questions answers pdf, sql query questions for practice

If you’re looking to retrieve any kind of information from a database, you need to speak its language. But querying databases is an art—and it demands practice. We spend a lot of time not only developing new courses but also speaking with our users and learning what they have to say about online learning. This is how we came up with the idea of creating an SQL practice set. We’re now proud to say the job is done! Starting today, you

Continue Reading

Who Loves Whom?

Just in time for Valentine’s Day, we discover which of Gary and Sara’s friends are in love – and how to use the SQL JOIN statement to work with data in multiple tables! Did you know SQL is a matchmaker? That’s right; it loves to make data couples by linking information from two (or more!) tables using the JOIN statement. However, many SQL rookies run into problems using JOIN. So let’s go to a party and learn how to use

Continue Reading

15 Best SQL Articles for Beginners Published in 2017

For this post, I’ve gathered 15 of the most interesting SQL articles published in 2017. If you’re an SQL beginner and are interested in learning more about databases and SQL queries, or if you’d just like to expand your knowledge of SQL, this article is perfect for you. Let’s dive right in! Top 3 Vertabelo Academy articles I’ll start off the list with three of the most popular Vertabelo Academy articles. 1. “6 Ways You Can Learn SQL” by Aldo

Continue Reading

SQL Hacks To Control Family Budget On Black Friday Weekend

If you’re in the US, chances are you’ve been eagerly awaiting the approach of Black Friday just as much as Thanksgiving. Though the shopping frenzy takes hold of nearly everyone, some people have to stick to their budgets and shop prudently. In this article, we’ll take a look at how generating an SQL report can help you track how much your family spent shopping on Black Friday. Storing Black Friday Purchases in a Database Before we can create an SQL

Continue Reading

Happy Thanksgiving! Using SQL to Prepare a Traditional Menu

Thanksgiving is a holiday many Americans celebrate with their families and friends, seated around a table loaded with a hearty feast. The most prominent of all dishes is, of course, the turkey. However, at least a few other specialties are also cooked for Thanksgiving. Do you find it hard to choose what to prepare? If so, we’ve got a solution for you: a special SQL query that will help you pick the best dishes. Gathering Our Thanksgiving Recipes Before we

Continue Reading

Descriptive Statistics: Calculating the Mean in Various Data Series

The mean (average) is one of the most valuable and most frequently used measures in descriptive statistics. Why is it so widely used, and why is it important to know how to calculate the arithmetic mean? Perhaps the most convincing argument is that the mean is used in virtually every area of life. With the arithmetic mean, you can calculate the average daily television viewing time for citizens of a given country, average volume of coffee drunk by a typical

Continue Reading

GET ACCESS TO EXPERT SQL CONTENT!