处理数字
1、to_char(number,'格式');
select to_char(88877) from dual;
select to_char(1234567890,'099999999999999...'
to_char(-0.1,'FM9.99') '-.1'
to_char(0.1,'0.9') ' 0.1'
to_char(12,'9990999.9') ' 0012.0'
to_char...(12,'FM9990999.9') '0012'
to_char(485,'999') ' 485'
to_char(-485,'999') '-485'
to_char(485,'...9 9 9') ' 4 8 5'
to_char(1485,'9,999') ' 1,485'
to_char(1485,'9G999') ' 1 485'
to_char(148.5...'
to_char(-485,'999S') '485-'
to_char(-485,'999MI') '485-'
to_char(485,'999MI') '485'
to_char