Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Consider the following schema: Publisher (name, phone, city), PK: name. Book (ISBN, title, year, published_by, previous_edition, price), PK: ISBN, FK: published_by refs Publisher, previous_edition refs

Consider the following schema: Publisher (name, phone, city), PK: name. Book (ISBN, title, year, published_by, previous_edition, price), PK: ISBN, FK: published_by refs Publisher, previous_edition refs Book. Author (SSN, first_name, last_name, address, income), PK: SSN. Write (aSSN, bISBN), PK: (aSSN, bISBN), FK: aSSN refs Author, bISBN refs Book. Editor (SSN, first_name, last_name, address, salary, works_for, book_count), PK: SSN, FK: works_for refs Publisher. Edit (eSSN, bISBN), PK: (eSSN, bISBN), FK: eSSN refs Editor, bISBN refs Book. Author_Editor (aeSSN, hours), PK: aeSSN, FK: aeSSN refs Author, aeSSN refs Editor. Give SQL statements for the following plain English language queries based on the above schema. Hint: You may use views to hold intermediate results. 7. Show the number of books published in 2008 versus the number of books published in 2009 for every publisher. The result should have the following four columns: publisher_name, book_count_08, book_count 09, percentage of increase from 2008 to 2009

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image_2

Step: 3

blur-text-image_3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Database Design Application Development And Administration

Authors: Michael V. Mannino

4th Edition

0615231047, 978-0615231044

More Books

Students also viewed these Databases questions

Question

Explain all drawbacks of application procedure.

Answered: 1 week ago

Question

Explain the testing process of accounting 2?

Answered: 1 week ago

Question

What does Processing of an OLAP Cube accomplish?

Answered: 1 week ago