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Mikael Karlsson
9,926 Points
Task 2 of 5 in JOIN queries challenge, getting the right data but not doing it right.

Posted October 23, 2017 1:43pm by Mikael Karlsson

Mikael Karlsson
9,926 Points
- Databases
1 Answer
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
Brett Phillips
7,016 Points
Many-to-Many join? What are we actually supposed to be doing here?

Posted October 16, 2017 6:56am by Brett Phillips

Brett Phillips
7,016 Points
- Databases
6 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
Diego Herrera
3,273 Points
Need help with SQL basics

Posted October 9, 2017 2:37pm by Diego Herrera

Diego Herrera
3,273 Points
- Databases
2 Answers
Tim Strawser
2,832 Points
It says I have my parameters the other way around but I am correct, cannot figure out what is wrong.

Posted October 5, 2017 8:41pm by Tim Strawser

Tim Strawser
2,832 Points
- Databases
1 Answer
drstrangequark
8,273 Points
I am SO CONFUSED about Subqueries

Posted October 3, 2017 5:24pm by drstrangequark

drstrangequark
8,273 Points
2 Answers
drstrangequark
8,273 Points
I thought you couldn't use a WHERE clause when using the SUM keyword?

Posted September 29, 2017 11:33am by drstrangequark

drstrangequark
8,273 Points
- Databases
4 Answers
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
Matthew DeFalco
3,603 Points
Why is it 11 not 10?

Posted September 28, 2017 4:01pm by Matthew DeFalco

Matthew DeFalco
3,603 Points
- Databases
5 Answers
Tianni Myers
10,453 Points
I messed up this query

Posted September 27, 2017 2:34pm by Tianni Myers

Tianni Myers
10,453 Points
- Databases
2 Answers
amar jack
556 Points
Each entry in a table is known as a:

Posted September 26, 2017 9:21am by amar jack

amar jack
556 Points
2 Answers
Ammar Fatihallah
7,417 Points
Error in query?

Posted September 16, 2017 9:10pm by Ammar Fatihallah

Ammar Fatihallah
7,417 Points
- Databases
1 Answer
Zack Guo
12,135 Points
Run mongod got a error

Posted September 13, 2017 6:21am by Zack Guo

Zack Guo
12,135 Points
3 Answers
Juan Juarez
2,292 Points
Not sure how to set up Task 2 of 5 on querying relational databases, not sure if multi table join is correct?

Posted September 12, 2017 4:43am by Juan Juarez

Juan Juarez
2,292 Points
- Databases
1 Answer
Nir Tal
25,921 Points
sql sum - not sure why my answer is incorrect

Posted September 6, 2017 4:10pm by Nir Tal

Nir Tal
25,921 Points
- Databases
3 Answers
Christian Geib
826 Points
Seem to receive the right result but still get error message

Posted August 29, 2017 6:53am by Christian Geib

Christian Geib
826 Points
- Databases
3 Answers
Stewart Mandla Kohlisa
11,737 Points
I DONT KNOW WHAT THIS CHALLENGE WHATS NOW PLIZ HELP

Posted August 25, 2017 1:14pm by Stewart Mandla Kohlisa

Stewart Mandla Kohlisa
11,737 Points
1 Answer
Victor Rivera
827 Points
Bring back both the first name and last name for every person in the phone book. The phone will filter the appropriate s

Posted August 20, 2017 4:09am by Victor Rivera

Victor Rivera
827 Points
- Databases
2 Answers
Aditi Kapoor
369 Points
Why is _id field mandatory ? Is it mandatory for every record? Also can it be system generated ?

Posted August 16, 2017 6:07pm by Aditi Kapoor

Aditi Kapoor
369 Points
2 Answers
Alex Fleming
1,044 Points
Review questions, stuck on one particular question and keep getting it wrong? Figured it should of been NULL?

Posted February 24, 2017 10:47am by Alex Fleming

Alex Fleming
1,044 Points
3 Answers
George Athanasia
5,750 Points
WHAT AM I MISSING

Posted September 20, 2016 8:17am by George Athanasia

George Athanasia
5,750 Points
- Databases
16 Answers
Lacie Norris
3,327 Points
Changing the cases of strings: Code Challenge 2 SQL

Posted September 1, 2016 6:52pm by Lacie Norris

Lacie Norris
3,327 Points
- Databases
7 Answers
Pablo Caro
4,191 Points
Why is my between statement not working.

Posted January 28, 2016 6:28am by Pablo Caro

Pablo Caro
4,191 Points
- Databases
6 Answers
PLUS

Ary de Oliveira
Courses Plus Student 28,304 Points
SQL BASIC

Posted December 20, 2015 7:15pm by Ary de Oliveira

Ary de Oliveira
Courses Plus Student 28,304 Points
- Databases
9 Answers
Borislav Parov
626 Points
Challenge Task 1. Need help with the SQL query

Posted December 17, 2015 5:17am by Borislav Parov

Borislav Parov
626 Points
- Databases
6 Answers

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