LAB EXPERIMENTS

PART A: SQL PROGRAMMING

A.     Consider the following schema for a Library Database:

BOOK (Book_id, Title, Publisher_Name, Pub_Year) BOOK_AUTHORS (Book_id, Author_Name) PUBLISHER (Name, Address, Phone) BOOK_COPIES (Book_id, Branch_id, No-of_Copies)

BOOK_LENDING (Book_id, Branch_id, Card_No, Date_Out, Due_Date) LIBRARY_BRANCH (Branch_id, Branch_Name, Address)

Write SQL queries to

1.       Retrieve details of all books in the library – id, title, name of publisher, authors, number of copies in each branch, etc.

2.       Get the particulars of borrowers who have borrowed more than 3 books, but from Jan 2017 to Jun 2017

3.       Delete a book in BOOK table. Update the contents of other tables to reflect this data manipulation operation.

4.       Partition the BOOK table based on year of publication. Demonstrate its working with a simple query.

5.       Create a view of all books and its number of copies that are currently available in the Library.

Solution:

Entity-Relationship Diagram

N	Library_Branch

Schema Diagram

Book

Book_id

Author_name

Name

Phone_no

Address

Book_id	Branch_id	No_of_Copies

Book_id	Branch_id		Card_no	Date_out	Due_date
Library_Branch

Branch_id

Address

Branch_name

Solution:

Entity-Relationship Diagram

N	Library_Branch

Schema Diagram

Book

Book_id

Author_name

Name

Phone_no

Address

Book_id	Branch_id	No_of_Copies

Book_id	Branch_id		Card_no	Date_out	Due_date
Library_Branch

Branch_id

Address

Branch_name

Table Creation

CREATE TABLE PUBLISHER

(NAME VARCHAR2 (20) PRIMARY KEY, PHONE INTEGER,

ADDRESS VARCHAR2 (20));

CREATE TABLE BOOK

(BOOK_ID INTEGER PRIMARY KEY, TITLE VARCHAR2 (20),

PUB_YEAR VARCHAR2 (20),

PUBLISHER_NAME REFERENCES PUBLISHER (NAME) ON DELETE CASCADE);

CREATE TABLE BOOK_AUTHORS (AUTHOR_NAME VARCHAR2 (20),

BOOK_ID REFERENCES BOOK (BOOK_ID) ON DELETE CASCADE, PRIMARY KEY (BOOK_ID, AUTHOR_NAME));

CREATE TABLE LIBRARY_BRANCH (BRANCH_ID INTEGER PRIMARY KEY, BRANCH_NAME VARCHAR2 (50),

ADDRESS VARCHAR2 (50));

CREATE TABLE BOOK_COPIES (NO_OF_COPIES INTEGER,

BOOK_ID REFERENCES BOOK (BOOK_ID) ON DELETE CASCADE,

BRANCH_ID    REFERENCES     LIBRARY_BRANCH    (BRANCH_ID)    ON     DELETE CASCADE,

PRIMARY KEY (BOOK_ID, BRANCH_ID));

CREATE TABLE CARD

(CARD_NO INTEGER PRIMARY KEY);

CREATE TABLE BOOK_LENDING (DATE_OUT DATE,

DUE_DATE DATE,

BOOK_ID REFERENCES BOOK (BOOK_ID) ON DELETE CASCADE,

BRANCH_ID    REFERENCES     LIBRARY_BRANCH    (BRANCH_ID)    ON     DELETE CASCADE,

CARD_NO REFERENCES CARD (CARD_NO) ON DELETE CASCADE, PRIMARY KEY (BOOK_ID, BRANCH_ID, CARD_NO));

Table Descriptions

Insertion of Values to Tables

INSERT INTO PUBLISHER VALUES (‗MCGRAW-HILL‘, 9989076587, ‗BANGALORE‘); INSERT INTO PUBLISHER VALUES (‗PEARSON‘, 9889076565, ‗NEWDELHI‘);

INSERT INTO PUBLISHER VALUES (‗RANDOM HOUSE‘, 7455679345, ‗HYDRABAD‘); INSERT INTO PUBLISHER VALUES (‗HACHETTE LIVRE‘, 8970862340, ‗CHENAI‘); INSERT INTO PUBLISHER VALUES (‗GRUPO PLANETA‘, 7756120238, ‗BANGALORE‘);

INSERT INTO BOOK VALUES (1,‘DBMS‘,‘JAN-2017‘, ‗MCGRAW-HILL‘); INSERT INTO BOOK VALUES (2,‘ADBMS‘,‘JUN-2016‘, ‗MCGRAW-HILL‘); INSERT INTO BOOK VALUES (3,‘CN‘,‘SEP-2016‘, ‗PEARSON‘);

INSERT INTO BOOK VALUES (4,‘CG‘,‘SEP-2015‘, ‗GRUPO PLANETA‘); INSERT INTO BOOK VALUES (5,‘OS‘,‘MAY-2016‘, ‗PEARSON‘);

INSERT INTO BOOK_AUTHORS VALUES (‘NAVATHE‘, 1); INSERT INTO BOOK_AUTHORS VALUES (‘NAVATHE‘, 2); INSERT INTO BOOK_AUTHORS VALUES (‘TANENBAUM‘, 3); INSERT INTO BOOK_AUTHORS VALUES (‘EDWARD ANGEL‘, 4); INSERT INTO BOOK_AUTHORS VALUES (‘GALVIN‘, 5);

INSERT INTO LIBRARY_BRANCH VALUES (10,‘RR NAGAR‘,‘BANGALORE‘); INSERT INTO LIBRARY_BRANCH VALUES (11,‘RNSIT‘,‘BANGALORE‘);

INSERT INTO LIBRARY_BRANCH VALUES (12,‘RAJAJI NAGAR‘, ‘BANGALORE‘); INSERT INTO LIBRARY_BRANCH VALUES (13,‘NITTE‘,‘MANGALORE‘);

INSERT INTO LIBRARY_BRANCH VALUES (14,‘MANIPAL‘,‘UDUPI‘);

INSERT INTO BOOK_COPIES VALUES (10, 1, 10);

INSERT INTO BOOK_COPIES VALUES (5, 1, 11);

INSERT INTO BOOK_COPIES VALUES (2, 2, 12);

INSERT INTO BOOK_COPIES VALUES (5, 2, 13);

INSERT INTO BOOK_COPIES VALUES (7, 3, 14);

INSERT INTO BOOK_COPIES VALUES (1, 5, 10);

INSERT INTO BOOK_COPIES VALUES (3, 4, 11);

INSERT INTO CARD VALUES (100); INSERT INTO CARD VALUES (101); INSERT INTO CARD VALUES (102); INSERT INTO CARD VALUES (103); INSERT INTO CARD VALUES (104);