Question
Consider the following schema: Publisher (name, phone, address), PK: name. Book (ISBN, title, year, published_by, previous_edition), PK: ISBN, FK: published_by refs Publisher, previous_edition refs Book.
Consider the following schema:
Publisher (name, phone, address), PK: name.
Book (ISBN, title, year, published_by, previous_edition), 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.
Author_Editor(aeSSN, works_for), PK: aeSSN, FK: aeSSN refs Author, works_for refs Publisher.
Give relational algebraic expressions or SQL statements for the following plain English language queries based on the above schema.
s p -
- Provide the first name and last name of author-editors and the name and phone of the publishers that they work for. (15 pts)
- Provide the ISBN of those books whose authors include both Andy Smith and Mary Doe. (15 pts)
- Provide the ISBN of those books that have an author whose last name is Smith but do not have a coauthor whose last name is Doe. (15 pts)
- Provide the SSN of those authors who have coauthored at least one book with the author named Andy Smith. (10 pts)
- Provide the SSN of those authors who have coauthored all the books written by Andy Smith. (10 pts)
- Provide the ISBN of every book whose publisher is different from the publisher of its previous edition. (10 pts)
- Provide the SSN and the income of every author, as well as the name of the publisher that the author works for if he/she is also an editor. (15 pts)
- Provide the title of the book that is the earliest book published by the publisher named ABC. (10 pts)
please use sql statement.
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