[솔루션]데이터베이스 시스템 5판 솔루션 Ramez Elmasri
페이지 정보
작성일 20-11-08 08:19
본문
Download : 데이터베이스시스템5판(저자_ramez.zip
내용을 잘 읽어보시고 확실한 자료라고 생각되시면 다운을 받아주시면 됩니다. 내용을 잘 읽어보시고 확실한 data(資料)라고 생각되시면 다운을 받아주시면 됩니다.
(c) Each PREREQUISITE record relates two COURSE records: one in the role of a course
(a) A view that groups all the students who took each section and gives each students
completed.
참고 :
SectionIdentifier, Semester, Year, Grade> for each course section that Smith has
(e) (Update) Change the grade that Smith received in Intro to Computer Science section
Answer:
설명
Answer:
Answer:
1.11 Give some additional views that may be needed by other user groups for the
[솔루션]데이터베이스 시스템 5판 솔루션 Ramez Elmasri
and the other in the role of a prerequisite to that course.
출판사 & 저자 : Ramez Elmasri
순서
CHAPTER 1: DATABASES AND DATABASE USERS
Answer:
119 to B.
StudentNumber=23, Class=1 (freshman), and Major=MATH.
Answers to Selected Exercises
record with StudentNumber=8 is stored in the database of Figure 1.5(a), the DBMS will
1.10 Name all the relationships among the records of the database shown in Figure 1.2.
database shown in Figure 1.2.
레포트 > 공학,기술계열
タイトル : 데이터베이스 시스템 5판
다. (b) Each GRADE_REPORT record is related to one STUDENT record and one SECTION
Download : 데이터베이스시스템5판(저자_ramez.zip( 71 )
have uncontrolled redundancy.
record.
database shown in Figure 1.2.
(d) (Update) Insert a new student in the database whose Name=Jackson,
데이터베이스,솔루션,시스템,5판
(a) Each SECTION record is related to a COURSE record.
Redundancy is when the same fact is stored multiple times in several places in a
DBMS ensures that multiple copies of the same data are consistent; for example, if a new
(b) (Query) What are the prerequisites of the Database course?.
1.9 What is the difference between controlled and uncontrolled redundancy?
StudentNumber=8 is Brown is stored multiple times. Redundancy is controlled when the
ensure that StudentName=Smith in that record. If the DBMS has no control over this, we
(a) (Query) List the names of all students majoring in Computer Science.
1.8 Give some informal queries and update operations that you would expect to apply to the
database. For example, in Figure 1.5(a) the fact that the name of the student with
제목 : 데이터베이스 시스템 5판 출판사 & 저자 : Ramez Elmasri 참고 : 잘못된 자료가 있을시 환불요청 하시면 환불을 받으실수 있습니다.
(c) (Query) Retrieve the transcript of Smith. This is a list of 잘못된 data(資料)가 있을시 환불요청 하시면 환불을 받으실수 있습니다.
