11 年前 · e715ae6efd
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -1125,6 +1125,7 @@ See also [TeX](#tex)
 
				 
			
 
				 
			
 
				 ###MySQL
			
 
				+* [MySQL Essentials](http://www.techotopia.com/index.php/MySQL_Essentials)
			
 
				 * [MySQL Tutorial Excerpt](http://downloads.mysql.com/docs/mysql-tutorial-excerpt-5.1-en.pdf)