column level permissions

From: rick (fredderickpreddie@yahoo.com)
Date: 02/18/03 

From: "rick" <fredderickpreddie@yahoo.com>
Date: Mon, 17 Feb 2003 23:02:53 -0800

Users on a database want to be able to write to one
specific column in a table that they currently only have
read access. How would I give them permissions to just
that column, without give write permissions to the whole
table? Do I use the GRANT statement?

Thanks,
Rick