declare @t table(col1 varchar(20))insert into @tselect '111aaaaaaaaaaa' union select 'abcde' union select 'ABC' union select 'QqqQ' union select 'gg' union select 'HG' select * from @tupdate @tset col1 = upper(LEFT(col1,1))+RIGHT(col1,LEN(col1)-1)select * from @t