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Articles
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9 Aug 2022
Dmitri Vaitkun
What Is an SQL Query?
An SQL query is the most basic SQL command. It is a question you ask a database. In this article, we dive into the basics of SQL queries to kickstart your SQL journey with practical knowledge right away! What is SQL SQL, or Structured Query Language, is a programming language designed to interact with databases. When you want to access data in a database, be it to alter, delete, add, or simply extract information, you use SQL.
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4 Aug 2022
Jakub Romanowski
Lesser-Known SQL YouTube Channels You Need to Follow Now!
Are you learning SQL? Many beginners start with YouTube tutorials. However, popular SQL clips are not always very helpful. You need to know which ones to watch so that you don't waste your time. In this article, I discuss SQL YouTube channels that, while not the most popular, deserve your attention. Click "subscribe" and watch! Those who follow my articles on LearnSQL.com know I'm not a huge fan of learning SQL from YouTube.
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28 Jul 2022
Kateryna Koidan
How to Set Up a Corporate SQL Training Program
Are you looking to set up a business or corporate SQL training for your company's employees? In this article, we’ll discuss how to build an efficient SQL training program and why the LearnSQL.com platform is the choice of leading tech companies. If you are responsible for employees’ professional development – especially in a data-driven company – you know that SQL is essential for anyone who works with data. This programming language can enhance the performance of data and business analysts (for whom SQL is often a primary tool) as well as marketers, salespeople, HR specialists, auditors, and many more.
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26 Jul 2022
András Novoszáth
How to Get More from Your BI Tools with SQL
Are you frustrated with the limitations of your business analytics tool? Do you wonder if there are other features you could tap into? Would you like to know how SQL compliments your work with Power BI and Tableau? Read this article to learn more! If you are a data analyst or if data analysis is part of your everyday job, Business Intelligence (BI) tools are crucial for your work. You also know that most databases run SQL queries in the background of such tools.
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21 Jul 2022
Kateryna Koidan
Use SQL for Data Analysis With Google Analytics 4
Google Analytics 4 offers data analysts powerful new capabilities, and learning how to maximize its potential is essential. In this article, I'll explore how using SQL with Google Analytics 4 can enhance your data analysis and lead to more insightful results. Google Analytics 4 is a next-generation analytical solution designed for cross-platform measurement and analysis, helping data analysts and marketers understand their audience more effectively. The quality of your data analysis with Google Analytics 4 depends heavily on your ability to work with tools like Data Studio and BigQuery, and thus, proficiency in SQL is crucial.
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19 Jul 2022
Alexandre Bruffa
Switching from PostgreSQL to MS SQL Server
What are the differences in PostgreSQL vs. MS SQL Server? We discuss the similarities and the differences between these two popular SQL dialects. Many of us developers and database specialists began working with free relational databases like PostgreSQL or MySQL for personal projects or small organizations. Some of us have since moved on to organizations using MS SQL Server and have had to learn to use the new tool. You may be wondering how challenging that is and whether you would struggle with SQL Server under similar circumstances.
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14 Jul 2022
Kamila Ostrowska
5 Tips for Learning SQL for Beginners
Being data-driven is a hot trend right now. Employers are looking for people who can work with databases. This is why you should learn SQL. In this article, I'll explain how to go about doing so. Yes, learning SQL may be the right thing for you even if you have never seen a line of code. As with any new skill, it requires the right approach and the right resources.
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12 Jul 2022
Himanshu Kathuria
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.
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7 Jul 2022
Tihomir Babic
An Overview of SQL Text Functions in MySQL
Do you work in MySQL as a data analyst? Then you should know how to use its text functions – data analysts don’t work only with numbers. Reporting requires computations, data classification, and label creation, and you can do all of that in MySQL. In this article, I’ll explain several of the most common and useful MySQL text functions by discussing what they do and showing how they do it.
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30 Jun 2022
Ignacio L. Bisso
Learn the OVER() Clause in SQL with 7 Examples
Learn how to use the OVER() clause in your SQL queries and you will take a step forward in your SQL knowledge. Most data analysts and SQL developers have a good handle on the SELECT, FROM, WHERE, GROUP BY, and ORDER BY clauses. However, these clauses are only a limited subset of the SQL language. There are other clauses, such as OVER(), which allow us to create flexible SQL reports and add an enormous expressive power to the SQL language.
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