Blog Posts

The Complete Beginner’s Guide to SQL Fundamentals

Vertabelo Academy is a great place to learn SQL. If you’re a complete beginner, it’s best to have an overview of what SQL is, what a database is, and how they work together. In this article, you’ll find a quick explanation of all you need to get started with SQL. The Database You might have already heard that SQL is used with databases. What exactly is a database? In the most general sense, it is an organized collection of various

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Finding the Perfect SQL Job

So you have some SQL skills and you’re looking for a job that will use them. What are your options? SQL is everywhere, and there’s a huge demand for people with database management skills. This is especially the case when companies start implementing Big Data solutions and strategies. There’s no arguing that SQL is a must-have skill. If you’re already proficient, how can you put your expertise to practical use in the job market? What different types of jobs are

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A Day in the Life of an SQL Developer

Describing a “typical” day for an SQL developer is not easy. When your daily work is using various technologies to create interesting database-oriented products, very few days are alike! Each day brings a new and intriguing challenge. Nevertheless, I’ll have a go at explaining what everyday things an SQL developer might do. Morning: Arrive at Work The cornerstone of any software engineering endeavor is caffeine, and lots of it. An industry joke is that programmers are “machines for turning coffee

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Performing Calculations on Date- and Time-Related Values

Relational databases support several date and time data types. In this article, we’ll look at several arithmetic operations we can do on these types. These operations are logical and understandable, even for the beginning SQL coder. Let’s first briefly explain the main data types used for dates and times. Keep in mind that data types may differ by database engine, so check your database documentation for specifics before you start working with them. DATE: Uses three components to represent a

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Getting the Hang of the GROUP BY Clause

GROUP BY is an important part of the SQL SELECT statement. But new SQL coders can run into some problems when this clause is used incorrectly. Here’s how to avoid those issues. You’re learning SQL. You know how to SELECT some data FROM a table and how to filter the data with a WHERE clause. You can process the data using aggregate functions (MIN, MAX, SUM, AVG, and others). But when you’re dealing with a lot of data, you may

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SQL and Your Next Job

The tech sector is experiencing strong job growth. Should SQL be on your list of must-have skills? If you’re even remotely interested in finding a new job, you’ve probably noticed that IT jobs are hot. Not only are a lot of these jobs available, they offer some pretty great opportunities to challenge yourself, grow, and build new skills. And the compensation tends to be pretty awesome too. In today’s world, technology is evolving at an almost daily pace, and this

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