Write the query for implementing the following functions: MAX(),MIN(),AVG(),COUNT()
Write the query for implementing the following functions: MAX(),MIN(),AVG(),COUNT()
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Write the query for implementing the following functions:
MAX(),MIN(),AVG(),COUNT()
Write the query to implement the concept of Intergrity constrains

Transcribed Image Text:Form 1
Title: The Joy of E-R Modelling
Published_In 2013
ISBN: 939757
Author Id: AU505
Author Name : Moss
Author Id:
Author Name :
CopyNo C1034
Shelf Number C100
DateAcquired: 12-APR-16
Borrower Id
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A12
Bloggs
Greenacre
CIS
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02-ОСТ-16
13-ОСТ-16
27-ОСТ-16
B34
13-0СТ-16
Form 2
Title: Normalisation is Fun and Easy Published_In 2010
ISBN: 549950
Author Id AU1911
Author Name :Bollinger
Author Id AU505
Author Name : Moss
CopyNo C2399
Shelf Number: C101 DateAcquired: 22-APR-2011
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B34
L67
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Business
04-ОСТ-16
22-ОСТ-16
18-ОСТ-16
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Leisure
29-ОСТ-16
Form 3
Title: Normalisation is Fun and Easy Published_In 2010
ISBN: 549950
Author Id AU1911
Author Name : Bollinger
Author Id AU505
Author Name : Moss
CopyNo C2400
Shelf Number: C101 DateAcquired: 25-JUN-2011
Borrower Id
Borrower Name
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Loan Date
Return Date
Bloggs
Franks
A12
CIS
04-ОСТ-16
02-SEP-16
25 OCT-16
L67
Leisure
09-SEP-16

Transcribed Image Text:Figure 2: List of Assumptions
The library acquires one or many copies of books, these are physical copies of a
particular
publication.
of 3
A publication has a unique ISBN (an international code for all published works); a
title and
ii.
the date it was published.
Each copy has a unique copy number and has a particular shelf number to which it is
iii.
|located.
2 13
A publication is always written by either one or two authors, and an author may
write many publications.
Only authors who have written at least one publication will be stored.
iv.
V.
vi. A borrower may have more than one copy on loan at any time.
vii. A borrower may yet to take out a loan
viii. Over time a copy may be out on loan many times or it may never be loaned out.
A loan is made by a single borrower for one copy of a publication.
ix
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