From b898d5966b4b26930dfd790117d783ba956be9b5 Mon Sep 17 00:00:00 2001
From: johnA1331 <53036378+johnA1331@users.noreply.github.com>
Date: Thu, 17 Jun 2021 00:45:16 +0800
Subject: [PATCH] Update README.md

---
 persistence-modules/core-java-persistence-2/README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/persistence-modules/core-java-persistence-2/README.md b/persistence-modules/core-java-persistence-2/README.md
index cebd81388d..365e9e7256 100644
--- a/persistence-modules/core-java-persistence-2/README.md
+++ b/persistence-modules/core-java-persistence-2/README.md
@@ -3,3 +3,4 @@
 - [Getting Database URL From JDBC Connection Object](https://www.baeldung.com/jdbc-get-url-from-connection)
 - [JDBC URL Format For Different Databases](https://www.baeldung.com/java-jdbc-url-format)
 - [How to Check if a Database Table Exists with JDBC](https://www.baeldung.com/jdbc-check-table-exists)
+- [Inserting Null Into an Integer Column Using JDBC](https://www.baeldung.com/jdbc-insert-null-into-integer-column)