EF Code First允许用Attributes(特性或注解)来定义映射规则,如果需要定义实体类的唯一标识符,则应使用的Attribute是:
A.
[Key]
B.
[Column]
C.
[Table]
D.
[ComplexType]
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【简答题】用括号内所给单词的适当形式填空,必要时可加助动词或情态动词。 Waste can be seen everywhere in our school. Some students ask for more food than they can eat and others often forget 1 (turn)off the lights when they leave the classroo...
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