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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.
its not creative, its basic for 2 dimesional arrays .....
I vote as best practice !!!
wow, incredible
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Well documented, thank you man
Just what I was thinking.
very beautiful and easy to read
very clever answer.
That was very creative!
yeah, nice touch
very clever boolean solution
ups, you're right! Thanks for telling me. I will not commit the same mistake again.
Please use spoiler flag next time. Or just don't post the solution in your comment.
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Good way to create a PL/SQL function using sql
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