diff --git a/books/free-programming-books-langs.md b/books/free-programming-books-langs.md
index ac1b63f16..2bc0da188 100644
--- a/books/free-programming-books-langs.md
+++ b/books/free-programming-books-langs.md
@@ -2398,6 +2398,7 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
 * [SQL For Web Nerds](http://philip.greenspun.com/sql/)
 * [SQL Notes for Professionals](http://goalkicker.com/SQLBook/) - Compiled from StackOverflow Documentation (PDF)
 * [SQL Queries Succinctly](https://www.syncfusion.com/ebooks/sql_queries_succinctly) - Nick Harrison
+* [SQL Tutorial](https://www.scaler.com/topics/sql/) - Scaler
 * [SQLite Tutorial](https://www.tutorialspoint.com/sqlite/)
 * [Use The Index, Luke!: A Guide To SQL Database Performance](http://use-the-index-luke.com)