All Questions
4 questions
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348
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CS50 SQL problem set 3 Meteorite Cleaning: NULL values are not present in "meteorites" table
Problem link: https://cs50.harvard.edu/sql/2023/psets/3/meteorites/
As the problem mentioned, any empty values in meteorites.csv are represented by NULL in the meteorites table.
When I run the sqlite3 ...
- 1
0
votes
1
answer
284
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CS50 PSET7 Movies "query did not return results" 12.sql
First timer asking on Stack Exchange. I have a SQL query that returns 6 results in the terminal but does not work with check50 resulting in
"Query did not return any results"
I read in a ...
- 11
1
vote
1
answer
27
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How do we delete existing flight in sqlite via Django?
In the notes for the SQLITE section, week 3,
https://cs50.harvard.edu/web/2020/notes/4/#:~:text=delete%20your%20existing%20flight%20from%20New%20York%20to%20London
It states:
Every time we make ...
- 135
0
votes
1
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233
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Week 9 - I need a help about UNIQUE constraint
I am solving the week 9 problem using python. And I am interested in knowing how to deal with the error below using the if and elif?
For example:
rows = db.execute("SELECT username FROM users ...
