Essential SQL (EssentialSQL)
Essential SQL is the go-to platform for learning all aspects of SQL, from basic concepts to complex data architectures and designs.
On this channel you'll find videos to help you learn SQL. Whether you're just beginning or wondering how some advanced concepts work, this channel is for you.
With over 30 years of experience in SQL and a degree in Computer Engineering, Kris is passionate about teaching this valuable skill to others. Through his blog, EssentialSQL, and online courses, Kris shares his expertise with students from a variety of industries. The courses provide hands-on experience with practical exercises, allowing students to apply what they learn and see the results for themselves. Kris is dedicated to guiding students every step of the way, from selecting data to modifying tables and using built-in functions. Enroll in Kris's courses today and gain the skills and confidence needed to excel in the world of SQL.
Joining Multiple Tables using an Inner Join | EssentialSQL
Multi Table Join Examples | EssentialSQL
Get Started Learning SQL Today | EssentialSQL
Learning Joins - Table Aliases | EssentialSQL
Inner Joins - Basics Examples | EssentialSQL
Inner Joins - Basics | EssentialSQL
Mastering Moving Averages in SQL: A Comprehensive Guide | EssentialSQL
***FREE*** EssentialSQL: SQL Crash Course
Find and Remove Duplicate Rows in SQL using Windows Functions | EssentialSQL
How to Calculate a Moving Average by Date | EssentialSQL
Find Duplicates using Window Functions | EssentialSQL
SQL Tips and Tricks: How to Efficiently Calculate Running Total in Your Queries | EssentialSQL
Work Around SQL Limitations using Derived Tables | EssentialSQL
What is the Difference between ROWNUMBER, RANK, and DENSE_RANK | EssentialSQL
CREATE VIEW Side Effects - Select Pitfalls Part 2 | EssentialSQL
CREATE VIEW Side Effects - Select * Pitfalls | Essential SQL
Writing SQL Subqueries in Having Clause | Essential SQL
Working with SQL Derived Tables | Essential SQL
| Essential SQL
Three Ways to Concatenate and how to protect from NULL. | Essential SQL
Relational Database Base Design Patterns for Beginners | Essential SQL
Introduction to Relational Database Table Design | Essential SQL
Databse Normalization - First Normal Form | Essential SQL
Database Normalization - Three Normal Forms | Essential SQL
Reasons for Database Normalization - Relational Database Design | Essential SQL
What is Database Normalization - Relational Database Design | Essential SQL
Entity Relationship Diagrams - Relational Database Design | Essential SQL
Relational Database Design Course Preview | Essential SQL
Stored Procedures Unpacked: Learn to Code T-SQL Stored Procs | Essential SQL
What is a Relational Database Conceptual Model? | Essential SQL