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In Step 2 of the Gradebook Challenge, we are asked to create  a table that shows how many students have earned which letter_grade. We are told You can output the letter_grade by using CASE with ...

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3. Challenge: Gradebook | Lesson 2: More advanced SQL queries | Intro to SQL

You can always write your code between comments ( /*  */) and remove the comments when you want to check the code.

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3. Why students on Khan Academy: Coding get the choice to cancel Oh Noes

There are only so many people monitoring.  Why make more work for them?

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3. New badge ideas to inspire users to flag innapropriate content.

I cannot speak for Khan Academy, but, as someone who answers a lot of Community Questions, I would say that this is not a good idea. I see a lot of nonsense posted by users who want to get badges f...

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The Simple Snowman Challenge is the third part of Lesson 2 in the Intro to JS course: https://www.khanacademy.org/computing/computer-programming/programming/drawing-basics/pc/challenge-simple-snowman

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3. how do you get the cool hopper avatar

If you are comfortable with the concepts and definitions and are just having trouble with the questions themselves, it would be a good plan to review as many practice exams as you can to get famili...

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3. What strategies can I use to prepare for my AP Biology course that begins in five months?🥺

The only one who can really answer this is you.  High School courses are typically designed to last about 10 months with 4 - 5 hours of classroom time per week.  If you review is going well, with s...

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3. How feasible is it to refresh my math from algebra and then to learn calculus in one year after not touching math since high school?

If you believe you have completed the Simple Snowman Challenge correctly and you are still having trouble, please report the issue to the Help Center: https://support.khanacademy.org/hc/en-us/reque...

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3. how do you get the cool hopper avatar

On KA pages, in the header, in the upper-left corner is a link labeled "Courses."  Click the down arrow.  A list of KA courses, organized by subject, will appear.  Scroll down.  The lower-right sec...

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3. Can’t find some courses easily

For Step 1 of the Wordiest Author Challenge, you only need one SELECT statement.  Your second statement here looks correct, except it is missing the final ;  Try deleting the first statement and se...

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3. Learning SQL - what am I doing wrong on this challenge???