Joins “Using the ssh, Oracle database 11g” * for the table: select table_name fr

Question

Joins “Using the ssh, Oracle database 11g”

* for the table:   select table_name

from User_tables;

1. List books written by author’s last name. Complete using both the where clause and the From clause. tables needed include books, bookauthor, and author

2. Narrow the same query down to books written by an author with the last name Adams. Perform the search using the author name. Complete using both the where clause and the From clause.

3. Non-equality Join: What gift will a customer who orders the book Shortest Poems receive? Use the actual book retail value to determine the gift.

Outer Join Question

4. Create an alphabetical list of all criminals, including criminal ID, name, violent offender status, parole status, and any know aliases.

Explanation / Answer

1.

select books.title from books, bookauthor, author where books.isbn = bookauthor.isbn and bookauthor.authorid = author.authorid and author.lname = ‘Adams’;

2.

select title from (books join bookauthor on (books.isbn = bookauthor.isbn)) join author on (bookauthor.authorid = author.authorid) where book.lname = ‘Adams’;

3. Non equality Join

select gift from books join promotion on retail between minretail and maxretail where title = ‘Shortest Poems’;

4. Outer Join

Select criminals.criminal_id, criminals.first, criminals.last, criminals.v_status, criminals.p_status, aliases.alias from criminals LEFT OUTER JOIN aliases ON criminals.criminal_id = aliases.criminal_id ORDER BY criminals.last, criminals.first;

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