Thank you so much!

Thanks a lot!

Yes, but I have a restriction about this; I just can manage 5 nvarchar sizes for the current project:

S: 30, M:50, L:100,XL:250,XXL:2000, it’s a standard.

This column is not a FK,...

Sorry , I forgot the example

LanguageId CodeDescriptionFrDescriptionEn

195 de NULL ...

I want to know if I use this nvarchar column in sql queries, to identify the rows, has performance problems

Thanks!

My table primary key is an int and it is a identity field, for this reason I using another column to identify the rows.

Some thing like this:

Table: Language

Columns:

...