Suppose i have a Nvarchar column which as the following characteristics:
This column as data inside it.
Some data sample are:
If i change this column from nvarchar(20) to nvarchar(25)
1) Will the data already inside the column be changed in size because of this?
2) Will new data that i insert through apps nedd to be diferente because of the size change?
In other words, shoud i expect some kind of problems because of changing the size of this column?