Skip navigation
Courses
Pricing
For Students
SQL Library
Articles
Cookbook
Cheat Sheets
For Beginners
Best Way to Learn SQL
SQL Primer
Flashcards
About Our Courses
Guides
150+ SQL Practice Exercises
100+ SQL Interview Questions
SQL Interview Cheat Sheet
GROUP BY and Aggregate Functions Guide
SQL JOINs Guide
Window Functions Guide
Numeric Functions Guide
String Functions Guide
Common Table Expressions
Log in
Create free account
fullName
User profile menu open
Open user profile menu
fullName
Dashboard
My Profile
Payment & Billing
Log out
MENU
CLOSE
Courses
Pricing
For Students
Articles
Cookbook
Cheat Sheets
Best Way to Learn SQL
SQL Primer
Flashcards
About Our Courses
150+ SQL Practice Exercises
100+ SQL Interview Questions
SQL Interview Cheat Sheet
GROUP BY and Aggregate Functions Guide
SQL JOINs Guide
Window Functions Guide
Numeric Functions Guide
String Functions Guide
Common Table Expressions
Dashboard
My Profile
Payment & Billing
Log in
Create free account
Log out
Articles
Cookbook
20 Aug 2024
Jakub Romanowski
Data Analyst Salaries: Benchmarks for 2025
The demand for data analysts is going crazy as businesses are relying more and more on data to make decisions. In this post, I’ll walk you through what you can expect for salary at different stages of a data analyst career so you can decide if this is the path for you. If you’re considering a data analyst career you’re in the right place at the right time. Companies are more data hungry than ever and by 2025 this demand will be even crazier.
Read more
15 Aug 2024
Jakub Romanowski
How to Find SQL Databases for Practice
Learning SQL is important for anyone working with data, but finding a SQL database for practice can be a challenge. In this guide, you'll find easy SQL queries (and some rather more complex) to help you get started using the databases from our new SQL Databases for Practice course. SQL can be fun and practical when you get to try out real queries on a real database. If you are a beginner this guide will help you get started with some simple SQL queries using the databases from our SQL Databases for Practice course.
Read more
13 Aug 2024
Alexandre Bruffa
Integrating SQL with Looker for Data Analysis
You may have heard the term “data-driven”. All big companies nowadays have a data-driven approach; it simply means they make strategic decisions based on data analysis and interpretation. To streamline the process and stay competitive, companies rely heavily on data analysis and Business Intelligence (BI) tools. One of the most famous powerful BI platforms is Looker. Now owned by Google, Looker is well known for its data exploration, visualization, and reporting capabilities.
Read more
11 Aug 2024
Martyna Sławińska
SQL Practice for Beginners: AdventureWorks Exercises
Hone your SQL skills with hands-on exercises using the AdventureWorks sample database. Practice essential SQL features using real-world scenarios. Practicing SQL is important if you want to get better at using it. This article has 20 beginner-friendly exercises using the AdventureWorks sample database from Microsoft. This database is designed to show how SQL Server works. It represents a fictitious bicycle manufacturing company called AdventureWorks Cycles and includes five schemas: HumanResources, Person, Production, Purchasing, and Sales.
Read more
6 Aug 2024
Jakub Romanowski
How to Overcome the Challenges of Becoming a Data Analyst
Want to become a data analyst but not sure how to do it? No worries, I'm here to help. In this guide, I'll show you the most common challenges to starting a data analysis career. I’ll also tell you about simple steps you can take to overcome these roadblocks. A career as a data analyst can be both exciting and a bit scary. The potential to uncover insights from data and make a real impact is thrilling, but there are many skills to master and a lot to learn.
Read more
1 Aug 2024
Jakub Romanowski
Course of the Month: GROUP BY Extensions in PostgreSQL
Do you work with data? Want to be able to create better and more sophisticated SQL reports? Then check out our interactive GROUP BY Extensions in PostgreSQL course. In August 2024, you can complete this online PostgreSQL course for FREE! How can you get this free SQL course in August 2024? Create a free LearnSQL.com account or log in if you already have one. Start the course.
Read more
31 Jul 2024
LearnSQL.com Team
New Monthly SQL Practice for August 2024!
Ready for a new basic SQL challenge? This time, you will work with Alice, a yacht rental manager. She needs help with organizing and analyzing her rental data. Get ready to dive into the world of SQL queries as you help her enhance the yacht rental experience for all her customers. Welcome to the August SQL Practice course! In the August 2024 SQL Practice, you will meet Alice, the manager of a yacht rental business.
Read more
30 Jul 2024
Jakub Romanowski
Why Your Team Needs SQL Training
Training your team in SQL will bring many benefits from increased efficiency to better decision making. In this post, we’ll look at why investing in SQL training for your team is a good idea and how it will change your business. Your team can handle data tasks without always needing IT support. With SQL skills they can run their own queries and create reports, speed up processes and make everyone’s life easier.
Read more
26 Jul 2024
Jakub Romanowski
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.
Read more
25 Jul 2024
Kamila Ostrowska
What Is CRUD?
What is CRUD? In this article, we’ll explore the meaning of this acronym and its significance in the world of SQL and data analysis. CRUD is an acronym that stands for Create, Read, Update, and Delete. These are the four basic operations that can be performed on data stored in a database or other data storage systems. CRUD operations are fundamental to data management and are commonly implemented in database management systems (DBMSs), web applications, and Application Programming Interfaces (APIs).
Read more
««
«
1
2
3
5
6
7
81
»
»»