I think this solution will probably work properly so i will mark this as answer.
I have only simple knowledge about XML so i will wait, learn more and than i will analyze this structure because for now it's black magic for me :D. Also it's too risky for use it in the large company database. Especially i'm not a SQL master. I'm using SQL only for read something and simple change.
Thank you guys for your time.
Eirikur Eiriksson. I think you solution will be useful for me in the future :).
Storing XML as character data is a true SQL Server anti-pattern and should be avoided if possible, there are few penalties using that kind of methods and no benefits.
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