这两年来,OCP的071考试不像以前那么稳定了,总是不断的有新考题出现,增加了071考试的难度,对此,我们对071考试的原题进行了收集,并由专业人员给出了答案,分享给大家。
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1.choose the best answer
What is the primary difference between the relational database (RDB) and object-oriented database (OODB) models?
A) RDB allows the definition of relationships between different tables, whereas OODB does not allow this.
B) OODB incorporates methods with data structure definition, whereas RDB does not allow this.
C) OODB supports multiple objects in the same database, whereas RDB supports only tables.
D) RDB supports E.F. Codd's rules, whereas OODB does not support them.
Answer:
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