方法一：
SELECT TRUNC(months_between(sysdate,birth)/12) AS age from mytable
方法二：
select TRUNC((to_char(sysdate,'yyyyMMdd') - to_char(birth,'yyyyMMdd')) / 10000) as age from mytable
注：sysdate 为系统日期时间，birth 为表中出生日期字段
作者：itmyhome
SELECT TRUNC(months_between(sysdate,birth)/12) AS age from mytable
select TRUNC((to_char(sysdate,'yyyyMMdd') - to_char(birth,'yyyyMMdd')) / 10000) as age from mytable
注：sysdate 为系统日期时间，birth 为表中出生日期字段
作者：itmyhome