Remove all spaces from a string in SQL Server

Question

What is the best way to remove all spaces from a string in SQL Server 2008?

LTRIM(RTRIM(\' a b \')) would remove all spaces at the right and left of th

Answer 1

Just a tip, in case you are having trouble with the replace function, you might have the datatype set to nchar (in which case it is a fixed length and it will not work).