Download PowerPoint

UTS Library Database
Ankur Kandikatla
HD Assignment 3, Autumn 2007
UTS Library Database



This database aims to model the UTS library
system, with simplification
Has information about borrowers, their
memberships, library branches , staff and books
Particular focus on the transaction aspect of
database, i.e. checking out of books
UTS Library Database ERD
1:m Relationship
Catalogue
Book
BookID
CatalogueNo*
Borrow Type
BranchID*
Contains
CatalogueNo
Title
Publisher
AFirstName
ALastName
Year
Catalogue – Books
Catalogue
Catalogue
No
Title
Year
005.74
KORT
(ED.5)
Database
System
Concepts
2006
2006
005.7585
WELS
Everyday
Oracle
DBA
…
…
…
Book
Foreign key
Other
columns
CatalogueNo
BookID
BorrowType
005.74 KORT
(ED.5)
1
Standard
005.74 KORT
(ED.5)
2
Standard
005.74 KORT
(ED.5)
3
7 Day Loan
005.7585
WELS
1
Closed
Reserve
m:m Relationship
CheckOut
Borrow Item
CheckOutNo
DateOut
Borrow erID*
BookID*
CheckOutNo*
CatalogueNo*
DateReturn
BookID
CatalogueNo*
Borrow Type
BranchID*
CheckOut-Books
CheckOut
CheckOut
No
Book
DateOut
BorowerID
BorrowItem
m:m relationship
1
1-Apr-2007
3
CatalogueNo
2
3-Mar-2007
2
1
1
15-Apr-2007
3
6-May-2007
4
005.74 KORT
(ED.5)
4
18-May-2007
6
005.74 CHAO
2
1
17-Apr-2007
Books
CatalogueNo
BookID
BorrowType
OtherColumns
005.74 KORT (ED.5)
1
Standard
..
005.74 KORT (ED.5)
2
Standard
..
005.74 CHAO
2
7 Day
Loan
..
BookID
CheckOutNo
DateReturn
Single Table Query
Selecting a few items from the catalogue
SELECT CatalogueNo, Title
FROM Catalogue;
catalogueno
|
title
--------------------+------------------------------------005.74 KORT (ED.5) | Database System Concepts
005.74 CHAO
| Database Development and Management
005.74 POWE
| Beginning Database Design
005.7585 WELS
| Everyday Oracle DBA
658.872 KUMA
| Mobile Database Systems
(5 rows)
NATURAL JOIN
Identifying the branch of staff members
SELECT SFirstName, SLastName, BranchID
FROM Staff NATURAL JOIN LibBranch;
sfirstname | slastname | branchid
------------+------------+----------Colin
| Richardson | City
Kathy
| Jays
| KuringGai
Neeraj
| Matta
| City
David
| Tong
| KuringGai
Mushfika
| Hossain
| City
Tat
| Nguyen
| City
Mark
| Bonnett
| City
(7 rows)
NATURAL JOIN (Cross Product)
Identifying the branch of staff members
SELECT SFirstName, SLastName, Staff.BranchID
FROM Staff, LibBranch
WHERE Staff.BranchId = LibBranch.BranchId;
sfirstname | slastname | branchid
------------+------------+----------Colin
| Richardson | City
Kathy
| Jays
| KuringGai
Neeraj
| Matta
| City
David
| Tong
| KuringGai
Mushfika
| Hossain
| City
Tat
| Nguyen
| City
Mark
| Bonnett
| City
(7 rows)
GROUP BY
The number of books issued in each check out transaction
SELECT CheckOutNo, count(*) as Books
FROM BorrowedItem
GROUP BY CheckOutNo;
checkoutno | books
------------+------1 |
2
2 |
2
3 |
1
4 |
3
(4 rows)
Sub Query
The name of the borrowers who have checked out more than two
books in one transaction
SELECT BFirstName, BLastName
FROM Borrower NATURAL JOIN Checkout
WHERE checkoutno =
(SELECT CheckOutNo FROM BorrowedItem GROUP BY CheckOutNo HAVING
Count(*)>2);
bfirstname | blastname
------------+----------Anna
| Cameron
(1 row)
Self Join
Finding two books by the same publisher
SELECT c1.Title, c2.Title, c1.Publisher, c1.Year
FROM Catalogue c1, Catalogue c2
WHERE c1.Publisher = 'Wiley'
AND c2.Publisher = 'Wiley'
AND c1.CatalogueNo > c2.CatalogueNo;
-[ RECORD
title
title
publisher
year
1
|
|
|
|
]-----------------------Mobile Database Systems
Beginning Database Design
Wiley
2006
Check Statements
Checking for book borrow type
CONSTRAINT Book_BorrowType CHECK
(BorrowType IN ('7 Day Loan', 'Closed Reserve', 'Standard'))
Checking for Postcode
CONSTRAINT LibPostcode_Range CHECK
((LibPostcode >= 1000) AND (LibPostcode <=9999))
Action Statements
On Delete Restrict
CONSTRAINT fk_Staff FOREIGN KEY(BranchID) REFERENCES
LibBranch(BranchID)
ON DELETE RESTRICT
ON UPDATE CASCADE
On Delete Cascade
CONSTRAINT fk_BorrowerMembership FOREIGN KEY(BorrowerID)
REFERENCES Borrower(BorrowerID)
ON DELETE CASCADE
ON UPDATE CASCADE
Views

Creating a view for 7 Day Loan books
CREATE VIEW SevDayLoan(CatalogueNo, Title, BookID, BorrowType,
Branch)
AS SELECT Book.CatalogueNo, Title, BookID, BorrowType, BranchID
FROM Book NATURAL JOIN Catalogue
WHERE BorrowType = '7 Day Loan';

Selecting 7 Day Loan books available in the City Campus
SELECT CatalogueNo, Title, BookID, Branch
FROM SevDayLoan WHERE Branch='City';
catalogueno
|
title
| bookid | branch
--------------------+---------------------------+--------+---005.74 KORT (ED.5) | Database System Concepts |
3 | City
005.74 POWE
| Beginning Database Design |
2 | City
658.872 KUMA
| Mobile Database Systems
|
2 | City
658.872 KUMA
| Mobile Database Systems
|
3 | City
(4 rows)