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更多““SELECT * FROM Student INNER JOIN SCON Student.Sno = SC.Sno ”语句可将 Student 与 SC连接起来。( ) ”相关问题
  • 第1题:

    下面的SQL语句也可以用带Join关键词的语句来实现。 Select Student.Sno,Student.Sname, SC.Cno,SC.Grade From SC,Student Where SC.Sno=Student.Sno


    正确

  • 第2题:

    9、将SC和Student表连接起来,显示学生的学号、姓名、课程号、考试分数,不正确的SQL语句是()。

    A.Select Student.Sno,Student.Sname, SC.Cno,SC.Grade From SC,Student Where SC.Sno=Student.Sno

    B.Select Student.Sno,Student.Sname, SC.Cno,SC.Grade From SC Join Student On SC.Sno=Student.Sno

    C.Select Student.Sno,Student.Sname, SC.Cno,SC.Grade From Student Join SC On SC.Sno=Student.Sno

    D.Select Student.Sno,Student.Sname, SC.Cno,SC.Grade From SC,Student On SC.Sno=Student.Sno


    Select Student.Sno,Student.Sname, SC.Cno,SC.Grade From SC,Student On SC.Sno=Student.Sno

  • 第3题:

    以下()操作实现了student表与sc之间的自然连接。

    A.select student.sno, sname,ssex,sage,sdept , cno, grade from student , sc where student.sno=sc.sno

    B.select student.* , sc.* from student , sc where student.sno=sc.sno

    C.select student.* , cno, grade from student , sc where student.sno=sc.sno

    D.select student.* , cno, grade from student join sc on student.sno=sc.sno


    select student.* , cno, grade from student , sc where student.sno=sc.sno;select student.sno, sname,ssex,sage,sdept , cno, grade from student , sc where student.sno=sc.sno;select student.* , cno, grade from student join sc on student.sno=sc.sno

  • 第4题:

    将SC和Student表连接起来,显示学生的学号、姓名、课程号、考试分数,不正确的SQL语句是()。

    A.Select Student.Sno,Student.Sname, SC.Cno,SC.Grade From SC,Student Where SC.Sno=Student.Sno

    B.Select Student.Sno,Student.Sname, SC.Cno,SC.Grade From SC Join Student On SC.Sno=Student.Sno

    C.Select Student.Sno,Student.Sname, SC.Cno,SC.Grade From Student Join SC On SC.Sno=Student.Sno

    D.Select Student.Sno,Student.Sname, SC.Cno,SC.Grade From SC,Student On SC.Sno=Student.Sno


    Select Student.Sno,Student.Sname, SC.Cno,SC.Grade From SC,Student On SC.Sno=Student.Sno

  • 第5题:

    4、以下内连接的语法格式正确吗? select <列名列表> from <子表> [Inner] join <父表> on <子表.外键> = <父表.主键>


    SELECT 查询字段 FROM 表1 [INNER] JOIN 表2 ON 表1.关系字段 = 表2.关系字段