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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.
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i don't get the instructions
@topping thank you sir!
@loukis i really don't know dude... i just know basic python :/
sir, i don't get what "def" for. I've google it but still don't get it.
Can someone explain to me? I'm new born baby to this python
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okay sir, thank you!
what is (*) use?
is postgre don't know 'IF' statement like mysql?
i can't use it here.
i don't get it.
why i can't use distinct at characteristic?
i got confused with group by..................
maybe for some of you guys said this was too easy, but me as person who new in SQL this is very useful!
right now i know how to use POW in sql :)
nice kata! now i've known how to JOIN with more than 2 tables! thank you!