Added book Database Design Succinctly (#7354)

Author: jwigert

Diff for: books/free-programming-books-subjects.md

@@ -243,6 +243,7 @@ Books that cover a specific programming language can be found in the  [BY PROGRA
 ### Database
 
 * [Database Design – 2nd Edition](https://opentextbc.ca/dbdesign01/) - Adrienne Watt, Nelson Eng @ BCcampus Open Pressbooks (HTML, PDF, EPUB, Kindle)
+* [Database Design Succinctly](https://www.syncfusion.com/succinctly-free-ebooks/database-design-succinctly) - Joseph D. Booth (HTML, PDF, EPUB, MOBI)
 * [Database Explorations](http://www.dcs.warwick.ac.uk/~hugh/TTM/Database-Explorations-revision-2.pdf) - C.J. Date, Hugh Darwen (PDF)
 * [Database Fundamentals](http://public.dhe.ibm.com/software/dw/db2/express-c/wiki/Database_fundamentals.pdf) - Neeraj Sharma et al. (PDF)
 * [Databases, Types, and The Relational Model: The Third Manifesto](http://www.dcs.warwick.ac.uk/~hugh/TTM/DTATRM.pdf) - C.J. Date, Hugh Darwen (PDF)