SQL Server: How to perform Rtrim on all varchar columns of a table

Question

I have over 30 columns in my table (sql server 2008). Columns type are varchar(x). I know that in every column there is two extra spaces at the end of column value. How to u

Answer 1

UPDATE xxx
  SET col1 = RTRIM(col1),
      col2 = RTRIM(col2),
      col3 = RTRIM(col3),
      ...