首页 > 计算机类 > 等级考试 > 计算机三级 > 数据库 > 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

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.CRADE FROMS WHERE S .S#=SC.S#
B.SELCECT S.SN,SC.C#,SC.GRADE FROM SC WHERE S .S#=SC.CRADE
C.SELECT S.SN,SC.C#,SC.CRADE FROM S ,SC WHERE S .S#:SC.S#
D.SELSECT S.SN,SC.C#,SC.
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正确答案: C
答案分析:
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A.SELECT S.SN,SC.C#,SC.CRADE FROMS WHERE S .S#=SC.S#
B.SELCECT S.SN,SC.C#,SC.GRADE FROM SC WHERE S .S#=SC.CRADE
C.SELECT S.SN,SC.C#,SC.CRADE FROM S ,SC WHERE S .S#:SC.S#
D.SELSECT S.SN,SC.C#,SC.
A.SELECT S.SN,SC.C#,SC.CRADE FROMS WHERE S .S#=SC.S#
B.SELCECT S.SN,SC.C#,SC.GRADE FROM SC WHERE S .S#=SC.CRADE
C.SELECT S.SN,SC.C#,SC.CRADE FROM S ,SC WHERE S .S#:SC.S#
D.SELSECT S.SN,SC.C#,SC.
A.SELECT S.SN,SC.C#,SC.CRADE FROMS WHERE S .S#=SC.S#
B.SELCECT S.SN,SC.C#,SC.GRADE FROM SC WHERE S .S#=SC.CRADE
C.SELECT S.SN,SC.C#,SC.CRADE FROM S ,SC WHERE S .S#:SC.S#
D.SELSECT S.SN,SC.C#,SC.
A.SELECT S.SN,SC.C#,SC.CRADE FROMS WHERE S .S#=SC.S#
B.SELCECT S.SN,SC.C#,SC.GRADE FROM SC WHERE S .S#=SC.CRADE
C.SELECT S.SN,SC.C#,SC.CRADE FROM S ,SC WHERE S .S#:SC.S#
D.SELSECT S.SN,SC.C#,SC.
A.SELECT S.SN,SC.C#,SC.CRADE FROMS WHERE S .S#=SC.S#
B.SELCECT S.SN,SC.C#,SC.GRADE FROM SC WHERE S .S#=SC.CRADE
C.SELECT S.SN,SC.C#,SC.CRADE FROM S ,SC WHERE S .S#:SC.S#
D.SELSECT S.SN,SC.C#,SC.
A.SELECT S.SN,SC.C#,SC.CRADE FROMS WHERE S .S#=SC.S#
B.SELCECT S.SN,SC.C#,SC.GRADE FROM SC WHERE S .S#=SC.CRADE
C.SELECT S.SN,SC.C#,SC.CRADE FROM S ,SC WHERE S .S#:SC.S#
D.SELSECT S.SN,SC.C#,SC.
A.SELECT S.SN,SC.C#,SC.CRADE FROMS WHERE S .S#=SC.S#
B.SELCECT S.SN,SC.C#,SC.GRADE FROM SC WHERE S .S#=SC.CRADE
C.SELECT S.SN,SC.C#,SC.CRADE FROM S ,SC WHERE S .S#:SC.S#
D.SELSECT S.SN,SC.C#,SC.
A.SELECT S.SN,SC.C#,SC.CRADE FROMS WHERE S .S#=SC.S#
B.SELCECT S.SN,SC.C#,SC.GRADE FROM SC WHERE S .S#=SC.CRADE
C.SELECT S.SN,SC.C#,SC.CRADE FROM S ,SC WHERE S .S#:SC.S#
D.SELSECT S.SN,SC.C#,SC.
A.SELECT S.SN,SC.C#,SC.CRADE FROMS WHERE S .S#=SC.S#
B.SELCECT S.SN,SC.C#,SC.GRADE FROM SC WHERE S .S#=SC.CRADE
C.SELECT S.SN,SC.C#,SC.CRADE FROM S ,SC WHERE S .S#:SC.S#
D.SELSECT S.SN,SC.C#,SC.
A.SELECT S.SN,SC.C#,SC.CRADE FROMS WHERE S .S#=SC.S#
B.SELCECT S.SN,SC.C#,SC.GRADE FROM SC WHERE S .S#=SC.CRADE
C.SELECT S.SN,SC.C#,SC.CRADE FROM S ,SC WHERE S .S#:SC.S#
D.SELSECT S.SN,SC.C#,SC.
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