检索所有比“李明”年龄大的学生姓名、年龄和性别,正确的SELECT语句是( )

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问题 检索所有比“李明”年龄大的学生姓名、年龄和性别,正确的SELECT语句是(     )

选项 A、SELECT SN,AGE,SEX
    FROM S
    WHERE AGE>ALL(SELECT AGE FROM S
    WHERE SN=’李明’);
B、SELECT SN,AGE,SEX
    FROM S
    WHERE SN=’李明’;
C、SELECT SN,AGE,SEX
    FROM S
    WHERE AGE>ALL(SELECT AGE
    WHERE SN=’李明’);
D、SELECT SN,AGE,SEX
    FROM S
    WHERE AGE>李明.AGE;

答案A

解析
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