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案例分析题数据的独立性是指()是相互独立的;它又可分为()。 它又可分为()

A. 内存数据独立性和外存数据独立性
B. 逻辑数据独立性和物理数据独立性
C. 数据库数据独立性和数据库外数据独立性
D. 结构化数据独立性和非结构化数据独立性

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混凝土、钢筋混凝土模板及支架费为建筑工程的专业措施项目,脚手架费为建筑工程、装饰装修工程和市政工程的专业措施项目。( )

A. 对
B. 错

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案例分析题Object-oriented analysis (OOA) is a semiformal specification technique for the object-oriented paradigm. Object-oriented analysis consists of three steps. The first step is () . It determines how the various results are computed by the product and presents this information in the form of a () . and associated scenarios. The second is () , which determines the classes and their attributes; Then determine the interrelationships and interaction among the classes. The last step is () , which determines the actions performed by or to each class or subclass and presents this information in the form of () . It determines how the various results are computed by the product and presents this information in the form of a () .

A. collaboration diagram
B. sequence diagram
C. use-case diagram
D. activity diagram

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