两种属性类别– –键属性(Key) 非键属性(Non Key)CONSULTANT键属性 非键属 性Consultant Id Consultant Last Name Consultant First Name Consultant Specialization Consultant ...
基于16个网页-相关网页
在ASBO中定义了诸如缺省值、键和非键属性、大小和数据类型之类的信息。
Information such as default value, key and non-key attributes, size and data types is defined in an ASBO.
不存在非主属性对任一候选键滴部分函数依赖。
No non-prime attribute in the table is functionally dependent on a part (proper subset) of a candidate key.
如果两个执行个体只宣告非索引键属性，但名称、型别、顺序和值都相等，则这两个执行个体还是不相等。
Only properties you designate as key properties participate in tests of equality between anonymous type instances, or calculation of hash code values.
应用推荐