Consider a table
CREATE TABLE [dbo].[ItemGroups](
[Group] [VARCHAR](25) NOT NULL,
[Description] [VARCHAR](25) NOT NULL)

SELECT Group from dbo.ItemGroups ->

Incorrect syntax near the keyword 'Group'.

Would be nice to get a warning when a column name is a reserved word. Square brackets make the syntax valid but unnecessary if a column is named more accurately, e.g. ItemGroupCode