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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.
Relational databases assume that the order of rows in the resulting set doesn't matter, BUT in this exercise different rows order leads to unacceptable solution. It looks like we need a specific order clause to solve this misconception