oracle 绝对值小于1的数值显示小数点前面的0

SELECT DECODE(TRUNC(-.98),0,REPLACE(TO_CHAR(-.98), '.', '0.'),TO_CHAR(-.98))FROM DUAL;

SELECT DECODE(TRUNC(-.98),0,REPLACE(TO_CHAR(-.98), '.', '0.'),TO_CHAR(-.98))FROM DUAL;