How to update data as upper case first letter with t-sql command?

Question

I have a table on my database. My table\'s name is \"Company\". I want to change data \"company_name\" as upper case first letter. For example;

\"ABC COMPANY\"

Answer 1

update  YourTable
set     company_name = upper(substring(company_name,1,1)) + 
            lower(substring(company_name, 2, len(company_name)-1))
where   len(company_name) > 0

Live example at SQL Fiddle.