Question

Use any method that you want in order to solve the problems (Subqueries, inner-join/equi-join. outer join, EXISTS) Design the following queries. using mySQL

1. List the title_name and book type of the books that are published earlier than the earliest biography book

2. List the title_name and book type of the books published by 'Abatis Publishers'

3. Find the name(s) of the publisher(s) that have not published any book

4. Find the name(s) of the publisher(s) who have published the computer book.

5. Find the name(s) of the author(s) that have authored more than one books.

6. Find the name(s) of the publisher(s) who published the least expensive book.

7. Find the name(s) of the author(s) who wrote the book with the greatest number of pages.

below is the books schema

DROP TABLES IF EXISTS Artists,Genre, Members, Titles, Tracks,SalesPeople,Studios,XrefArtistsMembers; DROP TABLES IF EXISTS Authors,Publishers,Titles,Title_Authors,Royalties; DROP TABLES IF EXISTS Products,Customers,Orders,Order_details; DROP TABLES IF EXISTS Sailors,Boats,Reserves; CREATE TABLE Authors ( au_id CHAR(3) NOT NULL, au_fname VARCHAR(15) NOT NULL, au_lname VARCHAR(15) NOT NULL, phone VARCHAR(12) , address VARCHAR(20) , city VARCHAR(15) , state CHAR(2) , zip CHAR(5) , CONSTRAINT pk_Authors PRIMARY KEY (au_id) ); CREATE TABLE Publishers ( pub_id CHAR(3) NOT NULL, pub_name VARCHAR(20) NOT NULL, city VARCHAR(15) NOT NULL, state CHAR(2) , country VARCHAR(15) NOT NULL, CONSTRAINT pk_Publishers PRIMARY KEY (pub_id) ); CREATE TABLE Titles ( title_id CHAR(3) NOT NULL, title_name VARCHAR(40) NOT NULL, type VARCHAR(10) , pub_id CHAR(3) NOT NULL, pages INTEGER , price DECIMAL(5,2) , sales INTEGER , pubdate DATE , contract SMALLINT NOT NULL, CONSTRAINT pk_Titles PRIMARY KEY (title_id) ); CREATE TABLE Title_Authors ( title_id CHAR(3) NOT NULL, au_id CHAR(3) NOT NULL, au_order SMALLINT NOT NULL, royalty_share DECIMAL(5,2) NOT NULL, CONSTRAINT pk_Title_Authors PRIMARY KEY (title_id, au_id) ); CREATE TABLE Royalties ( title_id CHAR(3) NOT NULL, advance DECIMAL(9,2) , royalty_rate DECIMAL(5,2) , CONSTRAINT pk_Royalties PRIMARY KEY (title_id) ); INSERT INTO Authors VALUES('A01','Sarah','Buchman','718-496-7223', '75 West 205 St','Bronx','NY','10468'); INSERT INTO Authors VALUES('A02','Wendy','Heydemark','303-986-7020', '2922 Baseline Rd','Boulder','CO','80303'); INSERT INTO Authors VALUES('A03','Hallie','Hull','415-549-4278', '3800 Waldo Ave, #14F','San Francisco','CA','94123'); INSERT INTO Authors VALUES('A04','Klee','Hull','415-549-4278', '3800 Waldo Ave, #14F','San Francisco','CA','94123'); INSERT INTO Authors VALUES('A05','Christian','Kells','212-771-4680', '114 Horatio St','New York','NY','10014'); INSERT INTO Authors VALUES('A06','','Kellsey','650-836-7128', '390 Serra Mall','Palo Alto','CA','94305'); INSERT INTO Authors VALUES('A07','Paddy','O''Furniture','941-925-0752', '1442 Main St','Sarasota','FL','34236'); INSERT INTO Publishers VALUES('P01','Abatis Publishers','New York','NY','USA'); INSERT INTO Publishers VALUES('P02','Core Dump Books','San Francisco','CA','USA'); INSERT INTO Publishers VALUES('P03','Schadenfreude Press','Hamburg',NULL,'Germany'); INSERT INTO Publishers VALUES('P04','Tenterhooks Press','Berkeley','CA','USA'); INSERT INTO Publishers VALUES('P05','PTR Press','Los Angeles','CA','USA'); INSERT INTO Titles VALUES('T01','1977!','history','P01', 107,21.99,566,'2000-08-01',1); INSERT INTO Titles VALUES('T02','200 Years of German Humor','history','P03', 14,19.95,9566,'1998-04-01',1); INSERT INTO Titles VALUES('T03','Ask Your System Administrator','computer','P02', 1226,39.95,25667,'2000-09-01',1); INSERT INTO Titles VALUES('T04','But I Did It Unconsciously','psychology','P04', 510,12.99,13001,'1999-05-31',1); INSERT INTO Titles VALUES('T05','Exchange of Platitudes','psychology','P04', 201,6.95,201440,'2001-01-01',1); INSERT INTO Titles VALUES('T06','How About Never?','biography','P01', 473,19.95,11320,'2000-07-31',1); INSERT INTO Titles VALUES('T07','I Blame My Mother','biography','P03', 333,23.95,1500200,'1999-10-01',1); INSERT INTO Titles VALUES('T08','Just Wait Until After School','children','P04', 86,10.00,4095,'2001-06-01',1); INSERT INTO Titles VALUES('T09','Kiss My Boo-Boo','children','P04', 22,13.95,5000,'2002-05-31',1); INSERT INTO Titles VALUES('T10','Not Without My Faberge Egg','biography','P01', NULL,NULL,NULL,NULL,0); INSERT INTO Titles VALUES('T11','Perhaps It''s a Glandular Problem','psychology','P04', 826,7.99,94123,'2000-11-30',1); INSERT INTO Titles VALUES('T12','Spontaneous, Not Annoying','biography','P01', 507,12.99,100001,'2000-08-31',1); INSERT INTO Titles VALUES('T13','What Are The Civilian Applications?','history','P03', 802,29.99,10467,'1999-05-31',1); INSERT INTO Title_Authors VALUES('T01','A01',1,1.0); INSERT INTO Title_Authors VALUES('T02','A01',1,1.0); INSERT INTO Title_Authors VALUES('T03','A05',1,1.0); INSERT INTO Title_Authors VALUES('T04','A03',1,0.6); INSERT INTO Title_Authors VALUES('T04','A04',2,0.4); INSERT INTO Title_Authors VALUES('T05','A04',1,1.0); INSERT INTO Title_Authors VALUES('T06','A02',1,1.0); INSERT INTO Title_Authors VALUES('T07','A02',1,0.5); INSERT INTO Title_Authors VALUES('T07','A04',2,0.5); INSERT INTO Title_Authors VALUES('T08','A06',1,1.0); INSERT INTO Title_Authors VALUES('T09','A06',1,1.0); INSERT INTO Title_Authors VALUES('T10','A02',1,1.0); INSERT INTO Title_Authors VALUES('T11','A03',2,0.3); INSERT INTO Title_Authors VALUES('T11','A04',3,0.3); INSERT INTO Title_Authors VALUES('T11','A06',1,0.4); INSERT INTO Title_Authors VALUES('T12','A02',1,1.0); INSERT INTO Title_Authors VALUES('T13','A01',1,1.0); INSERT INTO Royalties VALUES('T01',10000,0.05); INSERT INTO Royalties VALUES('T02',1000,0.06); INSERT INTO Royalties VALUES('T03',15000,0.07); INSERT INTO Royalties VALUES('T04',20000,0.08); INSERT INTO Royalties VALUES('T05',100000,0.09); INSERT INTO Royalties VALUES('T06',20000,0.08); INSERT INTO Royalties VALUES('T07',1000000,0.11); INSERT INTO Royalties VALUES('T08',0,0.04); INSERT INTO Royalties VALUES('T09',0,0.05); INSERT INTO Royalties VALUES('T10',NULL,NULL); INSERT INTO Royalties VALUES('T11',100000,0.07); INSERT INTO Royalties VALUES('T12',50000,0.09); INSERT INTO Royalties VALUES('T13',20000,0.06); show tables;

Answer 1

Q1. List the title_name and book type of the books that are published earlier than the earliest biography book

select title_name,type from Titles where pubdate > (select pubdate from Titles where type='biography' order by pubdate DESC limit 1);

Output:

Q 2. List the title_name and book type of the books published by 'Abatis Publishers'

select title_name,type from Titles join Publishers on Titles.pub_id=Publishers.pub_id where Publishers.pub_name="Abatis Publishers"

Output:


Q.3 Find the name(s) of the publisher(s) that have not published any book

select pub_name from Publishers where pub_id not in(select pub_id from Titles);

Output:

Q4. Find the name(s) of the publisher(s) who have published the computer book.

select pub_name from Publishers where pub_id in (select pub_id from Titles where type="computer");

Output:

Q5. Find the name(s) of the author(s) that have authored more than one books.

select au_fname,au_lname from Authors where au_id in(select au_id from Title_Authors group by au_id having count(*) >1)

Output:

Q6.Find the name(s) of the publisher(s) who published the least expensive book

select pub_name from Publishers where pub_id in(select pub_id from Titles where price in (select MIN(price) from Titles));

Output:

Q7. Find the name(s) of the author(s) who wrote the book with the greatest number of pages.

select au_fname,au_lname from Authors where au_id in(select au_id from Title_Authors where title_id in(select title_id from Titles where pages in(select MAX(pages) from Titles)));

output:

Done!