SQL | LearnSQL.com

SQL (Structured Query Language) is a tool used to work with data stored in databases. It helps you create, read, update, and delete data, which is important for tasks like analyzing data, creating reports, and developing applications. SQL is used in many industries and is a key skill for anyone dealing with data.

Below is a list of articles from the experts at LearnSQL.com that explain both the basics and more advanced parts of SQL. These resources include easy-to-follow guides, tips, and exercises that will help you write queries, solve problems, and understand how SQL works. Whether you're just starting out or want to improve your skills, these articles will help you learn and use SQL effectively.

What Is SQL?

What is SQL SQL, or Structured Query Language, is a programming language used to talk to databases. With SQL, you can store, manipulate, and retrieve data from relational databases. What Can You Do with SQL Retrieve data from a database. Filter and sort data from a database. Perform computations on database data. Insert records into a database. Update existing records in a database. Delete records from a database. Create new databases.

What Is SQL Used For?

So you’ve heard about databases and SQL, but you’re not sure what the big deal is. Read on to find out why data skills like SQL are so important. It seems like every other job requires you to know something about data, databases, and SQL. But what are these things, and what are they used for? Who even uses SQL? That’s what we’ll discuss in this article. Why Data Is So Important The Internet and the technology revolution have brought unprecedented opportunities.

S.Q.L or Sequel: How to Pronounce SQL?

Have you ever thought about how to pronounce SQL? It's something that confuses a lot of people, even though SQL has been a big part of the tech industry for decades. Should you spell it out as “S-Q-L” or just say “sequel”? Let's dig into this debate and see if we can figure it out. SQL has been around for decades and supports a many billion dollar market. However, many people still struggle with just how to pronounce the term SQL.

Is SQL Case-Sensitive?

Is SQL case-sensitive? The question seems simple, and you may think it’s a yes-no question. However, the answer depends on multiple factors. Let’s take a look at the possible answers. First of all, this question can be understood in multiple ways. Which part of SQL are you asking about? Do you mean keywords (e.g., SELECT, WHERE, etc.), table and column names, or values in the columns? Which database management system (DBMS) do you have in mind?

What Is a SQL Dialect, and Which one Should You Learn?

SQL, standard SQL, SQL Server, MySQL, PostgreSQL, Oracle, … You’d like to learn SQL, but you feel overwhelmed with options and you don’t know where to start. We’ll explain what each of these terms mean and what this has to do with SQL dialects. Diving into the world of SQL dialects can feel like jumping into a deep pool without knowing how to swim. There's a ton of stuff to pick up!

2024 Database Trends: Is SQL Still the King?

Want to know what database is most popular in 2024? In this article, I go through the 2024 Stack Overflow Developer Survey results. You’ll see why SQL is still top, PostgreSQL is on the rise and more developers are interested in SQLite. We’ll also talk about the benefits of learning SQL online, recommend resources, and how developers code outside of work for fun and professional growth. The annual Stack Overflow Developer Survey offers invaluable insights into the developer community, shedding light on trends, preferences, and emerging technologies.

SQL vs. MySQL: What’s the Difference?

Are SQL and MySQL the same thing? In this beginner-friendly guide, we'll explain the ddifferences of SQL and MySQL – and how they fit into the larger picture of relational database management systems. When you’re getting started with databases, it’s easy to feel overwhelmed by the terminology. SQL, MySQL, other acronyms… It can be a lot. And sometimes – like SQL and MySQL – the terminology can seem more similar than different.

SQL Technologies Are More Common Than You Think

Where is SQL being used today? The answers might surprise you! (Hint: SQL technology is basically everywhere.) Is it worth learning SQL? After all, the language was created in the 1970s. Is it still relevant today? The list of technologies that support SQL is very long – and it’s growing. Read on to find out what kinds of programs use SQL. SQL in Databases Relational Databases = SQL Databases It’s no surprise that SQL is used in relational databases.

What's the Difference Between SQL and T-SQL?

If you are beginning to learn SQL and are confused by the differences between standard SQL and other similar languages like T-SQL, this article will help make things clear. You’ll not only learn about the difference between SQL and T-SQL but also find explanations concerning which topics would be better to start learning first: standard SQL or something more specific like MS SQL Server. What is Standard SQL? SQL (Structured Query Language) is a basic ANSI/ISO standard programming language designed to operate on data stored in relational databases.

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