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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.
otherwise the max() would not work, it requires to have all columns we "select" considered
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not really.
The prices should have rounding that is mandatory. I used sqlite and could not get it to work, while it worked without issues under postgres
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Thank you, Sir. You brought quite a lot understanding in my sunday afternoon! thanks for the furhter reading, really appreciate your help.
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This comment is hidden because it contains spoiler information about the solution