llearn/templates/SQL/about/test/test_TableSelection.md

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# Test SQL selections

## Setup
- Create the following table and add the fields:
  + run:  'll testIO_TableSelection_Data.sql'

## Selection tests
- Select all books who's title contains the word 'stories'
- Show the book with the most pages.
- Show summary (title - year) of the last 3 books that were released.
- Find all books who's last name contains a space. Only show title and author name,
- Find the 3 books that is the lowest in stock. Show title, released date and stock quantity.
- Show title and author last name sorted by author last name and then by title.
- Show author name and last name in upper case, seperated by space in one column with name 'yell'. 
  Each line shoud start with 'MY FAVORITE AUTHOR IS '.
- Select all books with page count between 100 and 200 pages.
- Show title, author_lname and TYPE => If title contains:
  + 'stories' -> 'Short stories'
  + 'Just Kids' or 'A Heartbreaking Work' -> 'Memoir'
  + else 'Novel'
- Make this happen:
+----------------+---------+
| author_lname   | COUNT   |
+----------------+---------+
| Carver         | 2 books |
| Chabon         | 1 book  |
| DeLillo        | 1 book  |
| Eggers         | 3 books |
| Foster Wallace | 2 books |
| Gaiman         | 3 books |
| Harris         | 2 books |
| Lahiri         | 2 books |
| Saunders       | 1 book  |
| Smith          | 1 book  |
| Steinbeck      | 1 book  |
+----------------+---------+

## Groups test
- Find the number of book titles.
- Find the number of books that was released each year.
- Find the total number of books in stock.
- Find average release year for each author.
- Find the full name (name + surname in one column) of the author who wrote the longest book.
- Make this happen:

+------+------------+-----------+
| year | # of books | avg pages |
+------+------------+-----------+
| 1945 |          1 |  181.0000 |
| 1981 |          1 |  176.0000 |
| 1985 |          1 |  320.0000 |
| 1989 |          1 |  526.0000 |
| 1996 |          1 |  198.0000 |
| 2000 |          1 |  634.0000 |
| 2001 |          3 |  443.3333 |
| 2003 |          2 |  249.5000 |
| 2004 |          1 |  329.0000 |
| 2005 |          1 |  343.0000 |
| 2010 |          1 |  304.0000 |
| 2012 |          1 |  352.0000 |
| 2013 |          1 |  504.0000 |
| 2014 |          1 |  256.0000 |
| 2016 |          1 |  304.0000 |
| 2017 |          1 |  367.0000 |
+------+------------+-----------+