单选

9. 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( )

  • 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;
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