SQL中在查询结果中新增一列自定义的值
select sale_no,cast('自定义的值' as '自定义的字段类型') as '列名'
from incomeManage
where sale_no not in (
select sale_no from saleManage
)
select sale_no,cast('自定义的值' as '自定义的字段类型') as '列名'
from incomeManage
where sale_no not in (
select sale_no from saleManage
)