Learn SQL: Tutorials, Guides & Career Resources

AI and SQL - Hands On Challenge - Solution

Okay, let's talk through the first challenge. Where did our revenue in 2021 come from? How much were we making in each state? So the first thing I need to do...

Solution- Aggregate Function and ROUND in SQL

Approach SQL queries incrementally to ensure accuracy and clarity. Watch this tutorial to learn the key concepts and techniques.

Grouping Data in SQL

Explain how to use SQL GROUP BY to perform aggregations on grouped data. Watch this tutorial to learn the key concepts and techniques.

Using Outer Joins in PostgreSQL to Identify Unmatched Rows in Your Database

Learn how to use outer joins in PostgreSQL to find unmatched rows in your database and optimize your data analysis process.

Solution WIndow Functions in SQL

Use window functions with partition by to retain detailed data while calculating group-based aggregates. Watch this tutorial to learn the key concepts and...

Getting Started & Your First SQL Query

Explore a database and write SQL queries using dBeaver, adjusting preferences and viewing sample data. Watch this tutorial to learn the key concepts and...

Solution- 2.0 Date Functions in SQL

Use SQL functions like DATE_PART, DISTINCT, WHERE, BETWEEN, MAX, and COUNT to filter, organize, and aggregate data based on dates and times. Watch this...

Solution- Filtering with WHERE in SQL

Use SQL to filter, sort, calculate, and remove duplicates from query results. Watch this tutorial to learn the key concepts and techniques.

Intro to SQL Queries

While most people in the business world work within spreadsheets, larger data is stored in databases, and to access this data, we often employ the use of a...

The Many Flavors of SQL

Explore the world of SQL and relational database management systems, their commercial and open-source variants, and the nuances that make each unique yet...

Database Terminology

Understand the basics of electronic databases, the organization of data in tables, the various relationships between tables, and the crucial role of keys in...

5 Advantages Developers Gain by Learning SQL

SQL (Structured Query Language) is the main programming language used by database management systems. In this article, we'll explore the top advantages...

Best Part-Time SQL Bootcamps

What to Learn After SQL

What is SQL and How Do We Use It?

With the rise of big data, understanding how to analyze and interpret this information is crucial. This article provides an in-depth look into Structured Query...

Which SQL Bootcamp is Best?

Is 30 Too Old to Learn SQL?

Can I Learn SQL On My Own?

How Much is a SQL Course?

What is the Fastest Way to Learn SQL?