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HIDAYATULLAH ARGHANDABI
21,059 Points
Is there a mistake in my code > SELECT DISTINCT genre, count(*) as genre_count FROM books GROUP BY genre;

Posted November 10, 2017 1:10pm by HIDAYATULLAH ARGHANDABI

HIDAYATULLAH ARGHANDABI
21,059 Points
- Databases
3 Answers
alm
4,268 Points
Bummer, but it works?

Posted November 4, 2017 2:34am by alm

alm
4,268 Points
- Databases
3 Answers
Peter Javorkai
31,477 Points
MongoDB GUI to recommend?

Posted November 3, 2017 8:08pm by Peter Javorkai

Peter Javorkai
31,477 Points
- Databases
3 Answers
PLUS

Fabian Pijpers
Courses Plus Student 41,372 Points
Challenge 2 out of 4 Using Subqueries

Posted November 3, 2017 7:29pm by Fabian Pijpers

Fabian Pijpers
Courses Plus Student 41,372 Points
- Databases
8 Answers
Rashmi Jha
2,842 Points
Fill in the blanks

Posted October 22, 2017 9:10am by Rashmi Jha

Rashmi Jha
2,842 Points
2 Answers
Vivek Kumar
1,253 Points
What am I doing wrong here?

Posted October 21, 2017 9:21am by Vivek Kumar

Vivek Kumar
1,253 Points
- Databases
2 Answers
Kristofer Doman
18,307 Points
What's the problem here? It keeps telling me to JOIN the tables, and I am JOINING the tables ..

Posted October 18, 2017 6:35pm by Kristofer Doman

Kristofer Doman
18,307 Points
- Databases
3 Answers
Eylon Cohen
4,779 Points
Using the same table on both sides of set operator

Posted October 18, 2017 3:55pm by Eylon Cohen

Eylon Cohen
4,779 Points
4 Answers
Georgina Negus
353 Points
querying 2 names?

Posted October 18, 2017 8:02am by Georgina Negus

Georgina Negus
353 Points
- Databases
1 Answer
mykolash
12,955 Points
Have an idea how to improve building schedule

Posted October 16, 2017 11:00pm by mykolash

mykolash
12,955 Points
2 Answers
Matthew DeFalco
3,603 Points
this one has got me puzzled.. Tried so many ways...

Posted October 12, 2017 7:46pm by Matthew DeFalco

Matthew DeFalco
3,603 Points
- Databases
3 Answers
Jesse Thompson
10,684 Points
What is the appropriate usage for arrays and databases on an ecommerce website?

Posted October 4, 2017 2:23am by Jesse Thompson

Jesse Thompson
10,684 Points
- Databases
1 Answer
Ryan Leadenham
139 Points
The instruction for how to find the ID of the room with the max capacity is incorrect

Posted September 29, 2017 4:51pm by Ryan Leadenham

Ryan Leadenham
139 Points
- Databases
1 Answer
amar jack
556 Points
From the users table, find all the username fields with the last_name of "Chalkley". Only return the usernames.

Posted September 29, 2017 5:34am by amar jack

amar jack
556 Points
- Databases
2 Answers
Krishna Diamesso
33,880 Points
The sql playground is missing some tables. The only table available is the actors table.

Posted September 29, 2017 12:17am by Krishna Diamesso

Krishna Diamesso
33,880 Points
3 Answers
Lax Shah
546 Points
WHAT is wrong pls help

Posted September 12, 2017 11:32pm by Lax Shah

Lax Shah
546 Points
- Databases
2 Answers
Yaneida Rondón Hernández
237 Points
Is this query incorrect?

Posted September 10, 2017 6:14am by Yaneida Rondón Hernández

Yaneida Rondón Hernández
237 Points
- Databases
1 Answer
Cross Ender
9,567 Points
For some reason, this is not working.

Posted September 5, 2017 2:53pm by Cross Ender

Cross Ender
9,567 Points
- Databases
1 Answer
Danny Zhang
2,014 Points
playground 'user loans'

Posted August 31, 2017 7:05am by Danny Zhang

Danny Zhang
2,014 Points
1 Answer
Danny Zhang
2,014 Points
EXCEPT will return duplicate rows in table 1? or just unique rows in table 1?

Posted August 31, 2017 2:41am by Danny Zhang

Danny Zhang
2,014 Points
1 Answer
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
Joshua Kaufman
19,193 Points
Prompt asks for a different thing than the video shows

Posted July 20, 2017 5:27am by Joshua Kaufman

Joshua Kaufman
19,193 Points
4 Answers
Christian Scherer
2,989 Points
Task #3 solution

Posted May 15, 2017 2:17pm by Christian Scherer

Christian Scherer
2,989 Points
11 Answers
Manav Dhall
776 Points
I want to learn PL/SQL and Unix can anyone suggest if we have anything here for the same in Tree house?

Posted February 17, 2017 5:33am by Manav Dhall

Manav Dhall
776 Points
- Databases
1 Answer
Marcia Haledjian
7,562 Points
Database JOIN

Posted December 9, 2016 8:22pm by Marcia Haledjian

Marcia Haledjian
7,562 Points
- Databases
3 Answers
Don Ricardo JR
9,000 Points
Relational Databases: Sql Playground challenge solutions? Stumped!!

Posted September 27, 2016 7:52pm by Don Ricardo JR

Don Ricardo JR
9,000 Points
- Databases
6 Answers
sailor winkelman
2,603 Points
Use REPLACE function with SELECT or WHERE?

Posted April 5, 2016 10:43am by sailor winkelman

sailor winkelman
2,603 Points
- Databases
4 Answers
Barry Lam
14,406 Points
SQL question

Posted December 17, 2015 2:32pm by Barry Lam

Barry Lam
14,406 Points
- Databases
5 Answers

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