declare @addr nvarchar(20)
set @addr ='123 strEet'
select @addr where @addr like '%ree%'
select @addr where @addr like '%rEe%'
select @addr where @addr COLLATE SQL_Latin1_General_CP1_CS_AS like '%ree%'
select @addr where @addr COLLATE SQL_Latin1_General_CP1_CS_AS like '%rEe%'