Does SQL Server automatically trim nvarchar fields upon query?

Question

I have this query :

select \'[\' + p.Firstname + \']\' from Person p
where p.Firstname = \'Johanne\'

In the table, I have multiple personn

Answer 1

I am not sure in EF but in TSQL I use DataLength

DataLength

DataLength will return the length including trailing blanks
Len will return the the length not including the trailing blanks

and DataLength(p.Firstname) = Len('Johanne')