# 字段是否以数字开头
SELECT EMPLOYEE,DAYS FROM EMPLOYEE WHERE SUBSTR(EMPLOYEE_ID,1,1) BETWEEN '0' AND '9';
# 字段内部是否包含数字
SELECT * FROM EMPLOYEE WHERE REGEXP_LIKE (EMPLOYEE_ID,'^[0-9]+[0-9]$');
文章标题：SQL判断字段是否以数字开头或者包含数字
文章URL：
http://www.csruizhi.cn/article/gcsspo.html
