Practice SQL JOINS with 20 Query Challenges
What you'll learn
- Solve 20 intermediate-level query challenges that all incorporate JOINS
- Make JOINS of up to 4 or 5 tables in the same query
- Know when to use LEFT and RIGHT JOINS, vs INNER JOINS
- Know how to add aliases to all of their JOINS
Requirements
- No software is required
- You should have taken our "Learn SQL Fundamentals Through 10 Pratice Problems" course, or have a working knowledge of SQL
- General knowledge of JOINS
Description
Ready for more SQL practice?
"Practice SQL JOINS With 20 Query Challenges" is the next step in your journey to master SQL.
In our first course, "Learn SQL Fundamentals With 10 Practice Problems", we covered the basics of making a query, filtering, joins, and subqueries. It was a great start, but you are going to need more if you really want to get a job in SQL.
In this course, we focus specifically on taking your skill with making JOINS to the next level! Each problem will require you to form a JOIN, and sometimes you'll have to 4-5 JOINS to get the right answer. But don't worry, as always, you can check out our video explanations if you get stuck.
Just like our intro course, there are two parts to this course - the videos, and the actual hands-on practice. The Udemy course only gets you access to the video overview of each query challenge - to actually try your hand at the query challenges, you need to sign up on our website (this is free, we show you how to do it in the first lecture). Once you finish a challenge (or if you get stuck), check back on the Udemy videos to see how we did it.
This is an intermediate level course for people who already have a basic understanding of how SQL works. Now don't let that scare you away if you are a gung-ho beginner - just know that if that is you, you are going to have to learn quick and be willing to search terms if you don't recognize them.
Who this course is for:
- People who have taken our "Learn SQL Fundamentals Through 10 Pratice Problems" course
- People who want to improve their understanding of JOINS
- People who need more SQL practice problems
- People who want a job in SQL
- People who want to learn SQL to get a raise
- People who want to learn SQL to get a promotion
Course content
- Preview01:01
- 00:17How to access the course
- Preview05:48
- Preview12:45
- 14:41Challenge #3
- 06:19Challenge #4
- 05:22Challenge #5
- 05:31Challenge #6
- 08:45Challenge #7
- 07:44Challenge #8
- 05:38Challenge #9
- 05:40Challenge #10
- 04:55Challenge #11
- 05:02Challenge #12
- 06:53Challenge #13
- 06:01Challenge #14
- 04:55Challenge #15
- 06:06Challenge #16
- 05:40Challenge #17
- 02:25Challenge #18
- 04:59Challenge #19
- 07:09Challenge #20
- 01:1120 Queries Wrap Up
Instructors
![Taylor Chiu](data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64"%3E%3C/svg%3E){kind=avatar}
- 3.9 Instructor Rating
- 380 Reviews
- 18,812 Students
- 3 Courses
Hi there, my name is Taylor Chiu of LearnToSQL. Ever feel like you want to know more about coding or other tech stuff, but can't because you aren't good at it, or can't speak the lingo? If so, I've been in your shoes, and I know how to get past that sticking point. I'm more naturally a business and sports guy, but made the transition into my current job of database engineer (where I've been for the last 2 years) because I wanted to expand my horizons. It hasn't been an easy process, but it has been very rewarding.
The thing is, anyone can get good at tech, you just have to be persistent. And it doesn't hurt to have someone who can speak to you in a way you understand, until you're able to understand the ins-and-outs technically. That's what I want to provide for you.
- 3.9 Instructor Rating
- 380 Reviews
- 18,812 Students
- 3 Courses
Passionate business intelligence developer with 3 years experience solving enterprise data problems. Expert-level proficiency with major database systems such as Microsoft SQL Server, Oracle, and MySQL. Proficient with common database tools such as SAP Data Services, Tableau, and SSIS.
Co-founder or SQL Prep, which aims to educate the workforce and build data literacy within companies.