Add Database Design, 2nd Ed. (#3639)

* Add Database Design, 2nd Ed.

* Add format indicator

free-programming-books.md

@@ -419,6 +419,7 @@
 
 #### Database
 
+* [Database Design, 2nd Ed.](https://open.bccampus.ca/browse-our-collection/find-open-textbooks/?uuid=5b6f010a-0563-44d4-94c5-67caa515d2c5) - Adrienne Watt, Nelson Eng (HTML, PDF, EPUB, Kindle)
 * [Database Explorations](http://www.dcs.warwick.ac.uk/~hugh/TTM/Database-Explorations-revision-2.pdf) (PDF)
 * [Database Fundamentals](http://public.dhe.ibm.com/software/dw/db2/express-c/wiki/Database_fundamentals.pdf) (PDF)
 * [Databases, Types, and The Relational Model: The Third Manifesto](http://www.dcs.warwick.ac.uk/~hugh/TTM/DTATRM.pdf) (PDF)