题目内容

When preparing for the interview, you should consider using interview coaching to improvethe way you come across to others.

A. 当准备面试时,你应当考虑参加面试辅导,改进与他人交流的方式。
B. 当准备面试时,你应当考虑参加面试辅导,改善你给别人留下印象的方法。
C. 当准备面试时,你应当考虑请面试辅导老师辅导,以便有利于战胜其他人。

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Which of the following can data models be used to describe?

A. data
B. data relationships
C. data semantics
D. data constraints

Which of the following models can be used to describe object-based logical models?

A. semantic data model
B. entity-relationship model
C. physical data model

What are the possible relationships between two entity sets?

A. one-to-one
B. one-to-many
C. many-to-one
D. many-to-many

The data models are divided into three classes:­­____________ ­­____________ models, ­­____________ ­­____________ models and ­­____________ ­­____________ models.

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