• 2021-04-14
    【单选题】检索学生姓名及其所选修课程的课程号和成绩。正确的 SELECT 语句是
    A. SELECT S.SN,SC.C#,SC.GRADE FROM S WHERE S.S#=SC.S# B. SELECT S.SN,SC.C#,SC.GRADE FROM SC WHERE S.S#=SC.GRADE C. SELECT S.SN,SC.C#,SC.GRADE FROM S,SC WHERE S . S#=SC . S# D. SELECT S.SN,SC.C#,SC.GRADE FROM S . SC
  • 举一反三