RTRIM (SQL Server Compact)
Returns a character string after truncating all trailing blanks.
The following example removes trailing blanks from the names of customers listed in the MyCustomers table.
CREATE TABLE MyCustomers (CustID INTEGER IDENTITY (100,1) PRIMARY KEY, CompanyName nvarchar (50))
INSERT INTO MyCustomers (CompanyName) VALUES ('A. Datum Corporation ')
SELECT CustID, RTRIM(CompanyName)
FROM MyCustomers