Remove the last character in a string in T-SQL?

Question

How do I remove the last character in a string in T-SQL?

For example:

\'TEST STRING\'

to return:

\'TES         


        

Answer 1

you can create function

CREATE FUNCTION [dbo].[TRUNCRIGHT] (@string NVARCHAR(max), @len int = 1)
RETURNS NVARCHAR(max)
AS
BEGIN
    IF LEN(@string)<@len
        RETURN ''
    RETURN LEFT(@string, LEN(@string) - @len)
END