View the Exhibit for the object interdependency diagram.How does this impact the status of the dependent objects?()A. All dependent objects remain valid.B. Only the procedure and function become invalid and must be recompiled.C. Only the view becomes inva

题目
View the Exhibit for the object interdependency diagram.How does this impact the status of the dependent objects?()

A. All dependent objects remain valid.

B. Only the procedure and function become invalid and must be recompiled.

C. Only the view becomes invalid and gets automatically revalidated the next time it is used.

D. Only the procedure and function become invalid and get automatically revalidated the next time they are called.

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参考答案和解析
参考答案：A
更多“View the Exhibit for the object interdependency diagram.How does this impact the status of the dependent objects?() ”相关问题

  • 第1题：

    Which of the following may illustrate the difference between "competence" and__________ "performance"?

    A．What a person "knows" and what he/she "does".
    B．What a person "can do" and what he/she "does".
    C．What a person "does" and what he/she "knows".
    D．What a person "does" and what he/she "can do".

    答案：A
    解析：
    考查语言学知识。competence“语言能力”，指语言使用者对于语言规则系统的潜在意识；performance“语言运用”，指在具体场景中语言的实际运用，二者对应的分别为“knows”和“does”。故选A。

  • 第2题：

    【单选题】2. 在Android 中，所有UI 组件的基类是（）

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    B．View 类

    C．ViewGroup 类

    D．UIView 类


    B

  • 第3题：

    以下那一个选项不是数据插入方法：

    A．ModelName.objects.create(参数=字典类型数据)

    B．ModelName.objects.get(列表或元组)

    C．ModelName.objects.update_or_create(参数=字典类型数据)

    D．ModelName.objects.bulk_create(列表或元组)


    手写

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    The entity-relationship（E-R）data model is based on a perception of a real world that consists of a clletion of basic objects,called（请作答此空），and of relationships among these objects.An entity is a“thing”or"object"in the real world that is distinguishable from other objects.Entities are described in a database by asetof（ ）:A relationship isan association among several entities.The set of all entities of the same type and the set of all relationships of the ametype are termed an entity sct and relationship set,respectively.The overall logical structure（schema）of a database can be expressed graphically by an E-R diagram,which is built up from the fllowing components:（ ）represent entity set,（ ）represent atributes,ete.In addition to entities and relations,the E-R model represents certain（ ）to which thecontents of a database must conform.The entity-relationship model is widely used in database design.

    A.data
    B.things
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    D.objects

    答案：C
    解析：

  • 第5题：

    以下那一个选项是查询数据方法：

    A．User.objects.filter(username='wangwu').get(pk=1)

    B．User.objects.filter(id=user_id).update(password='9999')

    C．User.objects.all().delete()

    D．User.objects.get(pk=user_id).delete()


    query()

  • 第6题：

    Miller金字塔模型描述临床技能评价方法，从底到顶的四个层次分别为（）

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    A下P204

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