Skip the use of the XML variable and place it in the where clause when querying the table.
select F.Value
from XML_FILES as F
where F.Value.exist('/ArrayOfArrayOfSelectColumn/SelectColumn[@Name eq "Hello World"]') = 1
Your column is apparently textwhy you need to change this because it has been textdeprecated and has been around for quite some time.
ntext, text and image (Transact-SQL)
, Microsoft SQL Server. , . nvarchar (max), varchar (max) varbinary (max).
, , XML.
, XML .
select F.Value
from XML_FILES as F
where cast(F.Value as xml).exist('/ArrayOfArrayOfSelectColumn/SelectColumn[@Name eq "Hello World"]') = 1