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【简答题】
Danielle 2.Andrew 3.Bree 4.Danielle 5.Andrew 6.Bree 7.Danielle 8.Andrew 9.Bree 10. Andrew 11. Bree a.You're the one always acting like she's running for mayor of Stepford. b.How do you think it makes me feel when you say "It's OK" in that sullen tone? c.Do you always have to serve cuisine? d.Seeing that you're the head of this household, I would really appreciate you saying something. e.Apologize now,I am begging. f.It's OK? I spent three hours cooking this meal. g.Why can't we ever have normal soup? h.Are you doing drugs? i.Who asked you to spend three hours on dinner? j.Can't we ever just have food? k.Couldn't we have a soup that people have heard of?
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【简答题】______表示在数据库中描述的现实世界中的事物个体。
【单选题】在数据库设计中,用 ER 图来描述描述现实世界概念结构模型,但不涉及信息在计算机中的表示,它属于数据库设计的( )阶段。
A.
逻辑设计
B.
物理设计
C.
需求分析
D.
概念设计