考虑到参照完整性的外码设计,如图所示的student,course,sc三张表的创建顺序应为()。 A: sc,course,student B: sc,student,course C: student,sc,course D: student,course,sc
考虑到参照完整性的外码设计,如图所示的student,course,sc三张表的创建顺序应为()。 A: sc,course,student B: sc,student,course C: student,sc,course D: student,course,sc
参照学生表student,课程表course和选课关系表sc,要查找“张三”同学选修“法律基础”课的成绩,将涉及关系( )。 A: course,sc B: student course, C: sc student, D: sc student,
参照学生表student,课程表course和选课关系表sc,要查找“张三”同学选修“法律基础”课的成绩,将涉及关系( )。 A: course,sc B: student course, C: sc student, D: sc student,
现有关系student (sno,sname,sex,age)course(cno,cname,credit)sc(sno,cno,socre)查找王燕所选修的课程的课程和成绩,将查询到哪些关系( ) A: student B: course 和student C: student 和sc D: student,course 和sc
现有关系student (sno,sname,sex,age)course(cno,cname,credit)sc(sno,cno,socre)查找王燕所选修的课程的课程和成绩,将查询到哪些关系( ) A: student B: course 和student C: student 和sc D: student,course 和sc
在“查询选修课程号为C04,且成绩在80分以上的所有学生的学号和姓名”的SQL语句中,将使用的表有 A: 仅STUDENT B: 仅STUDENT和COURSE C: 仅STUDENT和SC D: STUDENT、COURSE和SC
在“查询选修课程号为C04,且成绩在80分以上的所有学生的学号和姓名”的SQL语句中,将使用的表有 A: 仅STUDENT B: 仅STUDENT和COURSE C: 仅STUDENT和SC D: STUDENT、COURSE和SC
Choose the correct letter, A, B or C. What kind of skill will the student gain in the course
Choose the correct letter, A, B or C. What kind of skill will the student gain in the course
AYES includes a course on automobile sales. which intended for any student studying in this program.
AYES includes a course on automobile sales. which intended for any student studying in this program.
Physics _____ a course that every student must take. A: have B: has C: is D: are
Physics _____ a course that every student must take. A: have B: has C: is D: are
Which of the following information is NOT the basis of assessment? A: The course documents B: The student’s work C: The student’s self-assessment sheets D: The teacher’s observation notes on the achievement of the student’s linguistic ability
Which of the following information is NOT the basis of assessment? A: The course documents B: The student’s work C: The student’s self-assessment sheets D: The teacher’s observation notes on the achievement of the student’s linguistic ability
Who is the man A: Student advisor. B: Course teacher. C: Admissions officer. D: Department secretary.
Who is the man A: Student advisor. B: Course teacher. C: Admissions officer. D: Department secretary.
设数据库中已有教材中的Student(Sno,Sname,Ssex,Sage,Sdept)、Course(Cno,Cname,Credit,Semster)和SC(Sno,Cno,Grade)表。现要查询学生选的第2学期开设课程的情况,只需列出学号、姓名、所在系和所选的课程号。该查询涉及到的表是()。 A: 仅Student表 B: 仅Student和SC表 C: 仅Student和Course表 D: Student、SC和Course表
设数据库中已有教材中的Student(Sno,Sname,Ssex,Sage,Sdept)、Course(Cno,Cname,Credit,Semster)和SC(Sno,Cno,Grade)表。现要查询学生选的第2学期开设课程的情况,只需列出学号、姓名、所在系和所选的课程号。该查询涉及到的表是()。 A: 仅Student表 B: 仅Student和SC表 C: 仅Student和Course表 D: Student、SC和Course表