From 0be3dc50eea2a28df562165c03aae15151ff534e Mon Sep 17 00:00:00 2001
From: Saurabh Daware <65069121+Saurabh-Daware@users.noreply.github.com>
Date: Sat, 2 Oct 2021 04:52:33 +0530
Subject: [PATCH] Added PostgreSQL Notes for Professionals (#5688)

* PostgreSQL Notes for Professionals

* Edited books/free-programming-books-langs.md

* Added PostgreSQL Notes for Professionals
---
 books/free-programming-books-langs.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/books/free-programming-books-langs.md b/books/free-programming-books-langs.md
index 690f3901..0c870ef7 100644
--- a/books/free-programming-books-langs.md
+++ b/books/free-programming-books-langs.md
@@ -1668,6 +1668,7 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
 
 * [Postgres Official Documentation](http://www.postgresql.org/docs/)
 * [Postgres Succinctly](https://www.syncfusion.com/resources/techportal/ebooks/postgres) (PDF, Kindle) (email address *requested*, not required)
+* [PostgreSQL Notes for Professionals](https://goalkicker.com/PostgreSQLBook/) - Compiled from StackOverflow documentation (PDF)
 * [PostgreSQL Tutorial](https://www.tutorialspoint.com/postgresql) - Tutorials Point
 * [Practical PostgreSQL](http://www.faqs.org/docs/ppbook/book1.htm)
 * [The Internals of PostgreSQL for database administrators and system developers](http://www.interdb.jp/pg)
-- 
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