diff --git a/persistence-modules/spring-boot-persistence-h2/README.md b/persistence-modules/spring-boot-persistence-h2/README.md
index 377b7c8939..a0f9c67a33 100644
--- a/persistence-modules/spring-boot-persistence-h2/README.md
+++ b/persistence-modules/spring-boot-persistence-h2/README.md
@@ -1,3 +1,4 @@
 ### Relevant Articles: 
 - [Access the Same In-Memory H2 Database in Multiple Spring Boot Applications](https://www.baeldung.com/spring-boot-access-h2-database-multiple-apps)
-- [Spring Boot With H2 Database](https://www.baeldung.com/spring-boot-h2-database)
\ No newline at end of file
+- [Spring Boot With H2 Database](https://www.baeldung.com/spring-boot-h2-database)
+- [Hibernate @NotNull vs @Column(nullable = false)](https://www.baeldung.com/hibernate-notnull-vs-nullable)
\ No newline at end of file
diff --git a/persistence-modules/spring-boot-persistence-h2/src/main/java/com/baeldung/h2db/notnull/NotNullVsNullableApplication.java b/persistence-modules/spring-boot-persistence-h2/src/main/java/com/baeldung/h2db/notnull/NotNullVsNullableApplication.java
new file mode 100644
index 0000000000..5e8d69e3a1
--- /dev/null
+++ b/persistence-modules/spring-boot-persistence-h2/src/main/java/com/baeldung/h2db/notnull/NotNullVsNullableApplication.java
@@ -0,0 +1,12 @@
+package com.baeldung.h2db.notnull;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class NotNullVsNullableApplication {
+
+    public static void main(String... args) {
+        SpringApplication.run(NotNullVsNullableApplication.class, args);
+    }
+}
diff --git a/persistence-modules/spring-boot-persistence-h2/src/main/java/com/baeldung/h2db/springboot/daos/ItemRepository.java b/persistence-modules/spring-boot-persistence-h2/src/main/java/com/baeldung/h2db/notnull/daos/ItemRepository.java
similarity index 64%
rename from persistence-modules/spring-boot-persistence-h2/src/main/java/com/baeldung/h2db/springboot/daos/ItemRepository.java
rename to persistence-modules/spring-boot-persistence-h2/src/main/java/com/baeldung/h2db/notnull/daos/ItemRepository.java
index 3007f56208..c1efc96d71 100644
--- a/persistence-modules/spring-boot-persistence-h2/src/main/java/com/baeldung/h2db/springboot/daos/ItemRepository.java
+++ b/persistence-modules/spring-boot-persistence-h2/src/main/java/com/baeldung/h2db/notnull/daos/ItemRepository.java
@@ -1,6 +1,6 @@
-package com.baeldung.h2db.springboot.daos;
+package com.baeldung.h2db.notnull.daos;
 
-import com.baeldung.h2db.springboot.models.Item;
+import com.baeldung.h2db.notnull.models.Item;
 import org.springframework.data.repository.CrudRepository;
 
 import java.math.BigDecimal;
diff --git a/persistence-modules/spring-boot-persistence-h2/src/main/java/com/baeldung/h2db/springboot/models/Item.java b/persistence-modules/spring-boot-persistence-h2/src/main/java/com/baeldung/h2db/notnull/models/Item.java
similarity index 87%
rename from persistence-modules/spring-boot-persistence-h2/src/main/java/com/baeldung/h2db/springboot/models/Item.java
rename to persistence-modules/spring-boot-persistence-h2/src/main/java/com/baeldung/h2db/notnull/models/Item.java
index a5c5b0d3cb..d2c4015b86 100644
--- a/persistence-modules/spring-boot-persistence-h2/src/main/java/com/baeldung/h2db/springboot/models/Item.java
+++ b/persistence-modules/spring-boot-persistence-h2/src/main/java/com/baeldung/h2db/notnull/models/Item.java
@@ -1,4 +1,4 @@
-package com.baeldung.h2db.springboot.models;
+package com.baeldung.h2db.notnull.models;
 
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
diff --git a/persistence-modules/spring-boot-persistence-h2/src/test/java/com/baeldung/ItemIntegrationTest.java b/persistence-modules/spring-boot-persistence-h2/src/test/java/com/baeldung/h2db/notnull/ItemIntegrationTest.java
similarity index 75%
rename from persistence-modules/spring-boot-persistence-h2/src/test/java/com/baeldung/ItemIntegrationTest.java
rename to persistence-modules/spring-boot-persistence-h2/src/test/java/com/baeldung/h2db/notnull/ItemIntegrationTest.java
index 839dd87b7e..0e2e5e3319 100644
--- a/persistence-modules/spring-boot-persistence-h2/src/test/java/com/baeldung/ItemIntegrationTest.java
+++ b/persistence-modules/spring-boot-persistence-h2/src/test/java/com/baeldung/h2db/notnull/ItemIntegrationTest.java
@@ -1,8 +1,7 @@
-package com.baeldung;
+package com.baeldung.h2db.notnull;
 
-import com.baeldung.h2db.springboot.SpringBootH2Application;
-import com.baeldung.h2db.springboot.daos.ItemRepository;
-import com.baeldung.h2db.springboot.models.Item;
+import com.baeldung.h2db.notnull.daos.ItemRepository;
+import com.baeldung.h2db.notnull.models.Item;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -14,7 +13,7 @@ import javax.validation.ConstraintViolationException;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
 @RunWith(SpringRunner.class)
-@SpringBootTest(classes = SpringBootH2Application.class)
+@SpringBootTest(classes = NotNullVsNullableApplication.class)
 public class ItemIntegrationTest {
 
     @Autowired