SQL Prefix issue N with variable

Question

DECLARE @XML_VC_8 XML;
DECLARE @string NVARCHAR(MAX);
DECLARE @PreFix NVACHAR(MAX);

SET @PreFix =\'N\' 
SET @XML_VC_8 = \'

        

Answer 1

These work fine!

DECLARE @XML_VC_8 XML;
SET @XML_VC_8 = N'fdff مرحبا';
SELECT @XML_VC_8