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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.
Probably everyone who did not think about count()... me included ;c
Sorry if it is a silly question (I am new to SQL), but is it a good thing to have two separate quires to a database in a loop?
Probably one select for both variables might be better for perfomance...
The loop stops whenever the expression in the parenthesis evaluates to true. Whether or not there is a comparison that returns the boolean value doesn't matter.