• Each entity must have a unique entity key within an entity set.

    实体每个实体必须要唯一的实体索引键

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  • The entity key for the instance is unique within the entity set.

    实例实体实体集中唯一的

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  • The properties that make up an entity key are chosen at design time.

    构成实体属性设计选择的。

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  • The properties that make up an entity key for a given entity type cannot change.

    构成给定实体类型的实体属性不可更改

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  • Each entity in the logical data model is assigned a primary key.

    逻辑数据模型中的每个实体指定了一个键。

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  • Thus the knowledge of this secret key provides identification of the entity.

    这样通过这个秘密密就可以对实体进行身份验证

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  • An Entity class needs a primary key.

    Entity需要一个

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  • Click the Employee entity, and select empno its primary key.

    点击Employee实体选择empno作为主要关键字。

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  • Gets the list of all the key members for the current entity or relationship type.

    获取当前实体关系类型所有成员列表

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  • PKI is the data structure which bind the identity of entity with its public-key.

    公钥证书实体身份公开密钥绑定在一起数据结构

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  • The entity has a primary key.

    实体具有

    youdao

  • The entity has a primary key.

    实体具有

    youdao

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