Treehouse | Community | Finding the Troublemaker

Notice: Workspaces are undergoing maintenance and are temporarily unavailable.

🚀 In our NEW AI Bootcamp you'll build a working app in 28 days, no experience required. Free to all subscription levels.

✨ Earn college credits in Cybersecurity, JS, HTML, CSS and Python

Join the Treehouse affiliate program and earn 25% recurring commission! 🤑

Newest
- Newest
- Active
- Unanswered
- Featured
All Topics

J de la Torre
2,858 Points
Difference in speed/efficiency between CTEs, INTERSECT, WHERE clause solutions?

Posted August 4, 2021 7:04pm by J de la Torre

J de la Torre
2,858 Points
1 Answer
jun cheng wong
17,021 Points
NO SUCH COLUMN: A.STUDENT_ID WHEN I RUN THIS CODE

Posted March 4, 2021 2:40am by jun cheng wong

jun cheng wong
17,021 Points
2 Answers
Tommy Gebru
30,164 Points
Solution: Finding the Troublemaker

Posted August 31, 2019 8:58pm by Tommy Gebru

Tommy Gebru
30,164 Points
1 Answer
Ikechukwu Arum
5,337 Points
ERROR: NO SUCH COLUMN

Posted April 9, 2019 6:41pm by Ikechukwu Arum

Ikechukwu Arum
5,337 Points
3 Answers
Abdullah Jassim
4,551 Points
Once the two functions: Fifth and Seventh are created, instead of using inner join, why cant we use Union ALL?

Posted February 7, 2018 7:03pm by Abdullah Jassim

Abdullah Jassim
4,551 Points
1 Answer
Stephanie Marek
2,831 Points
Syntax Error Help!

Posted January 31, 2018 4:54pm by Stephanie Marek

Stephanie Marek
2,831 Points
2 Answers
Stamos Bolovinos
4,320 Points
What's wrong with having 5th period science and 7th period art?

Posted August 25, 2017 3:14pm by Stamos Bolovinos

Stamos Bolovinos
4,320 Points
2 Answers
Ruiqi Mao
16,675 Points
My Solution without creating two common tables

Posted July 28, 2017 4:57pm by Ruiqi Mao

Ruiqi Mao
16,675 Points
2 Answers

Posting to the forum is only allowed for members with active accounts.
Please sign in or sign up to post.