How can i use comma like a decimal separator?

"update product set price='1,99' where cod='001'"

I need COMMA... not DOT

In oracle i use "alter session set language='Brazil'"... but... in SQL SERVER?

You're in the wrong place. Go here: http://forums.microsoft.com/MSDN/ShowForum.aspx?ForumID=93&SiteID=1

-Jamie