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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
How does this pass having suffices in the name like "Mr." or "Mrs."?
Bubblies and yummies!
This solution is rather not consistent. Can anyone tell me why?
I am trying to solve this using row_number window function. However, I cannot get the null row.
Can anyone give me some hint as to how to return the null category? I am always getting 18 result
I dont really understand the third line, why are we dividing the 100, not mutiplying?