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【单选题】
在"学生"表中有姓名、性别、出生日期等字段,要查询女生中年龄最小的学生,并显示姓名、性别和年龄,正确的SQL命令是( )。A.
SELECT 姓名,性别,MIN(YEAR(DATE())-YEAR([出生日期])) AS 年龄 FROM 学生 WHERE 性别=女
B.
SELECT姓名,性别,MIN(YEAR(DATE())-YEAR([出生日期])) AS 年龄 FROM 学生 WHERE 性别="女"
C.
SELECT姓名,性别,年龄 FROM 学生 WHERE 年龄=MIN(YEAR(DATE())-YEAR([出生日期])) AND 性别=女
D.
SELECT姓名,性别,年龄 FROM 学生 WHERE 年龄=MIN(YEAR(DATE())-YEAR([出生日期])) AND 性别="女"
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【判断题】无风险利率为10%；市场期望收益率为18%，贝塔为1.0；组合A的期望收益率为20%，贝塔为0.9。在简单CAPM的背景下，这些组合是可能同时存在的。
A.
正确
B.
错误
【单选题】Which one of the following does NOT belong to seven deadly sins?
A.
murder
B.
anger
C.
greed
D.
pride
【单选题】Stock prices since the 1950s have been
A.
relatively stable, trending upward at a steady pace.
B.
relatively stable, trending downward at a moderate rate.
C.
extremely volatile.
D.
unstable, trending downward at a moderate rate.
【简答题】since the 1950s in 1990 in 1955 over three decades in 1933 V.S. Naipaul, a writer in search of roots and winner of Nobel Prize for literature in 1999, was born in Trinidad (1) , the son of an Ind...
【判断题】无风险利率为10%;市场期望收益率为18%,标准差为24%;组合A的期望收益率为16%,标准差为12%。在简单CAPM的背景下,这些组合是可能同时存在的。
A.
正确
B.
错误
【简答题】since the 1950s in 1990 in 1955 over three decades in 1933 V.S. Naipaul, a writer in search of roots and winner of Nobel Prize for literature in 1999, was born in Trinidad (1) , the son of an Ind...
【简答题】Things you need to know about studying there Study style Since the 1950s, the Netherlands has had courses in English especially for foreign students. Students are expected to be critical of what they ...
【判断题】无风险利率为10%;市场期望收益率为18%,标准差为24%;组合A的期望收益率为20%,标准差为22%。在简单CAPM的背景下,这些组合是可能同时存在的。
A.
正确
B.
错误
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