improvement BAEL-2897 (#6795)

* added example code for BAEL-2083

* updated example code for BAEL-2083

* added example code for BAEL-2849

* updated the example code with data.sql

* improvement BAEL-2897

* updated the persistence module

* updated readme

persistence-modules/pom.xml

@@ -35,7 +35,7 @@
         <module>querydsl</module>
         <module>redis</module>
         <module>solr</module>
-        <module>spring-boot-h2/spring-boot-h2-database</module>
+        <module>spring-boot-persistence-h2</module>
         <module>spring-boot-persistence</module>
         <module>spring-boot-persistence-mongodb</module>
         <module>spring-data-cassandra</module>

persistence-modules/spring-boot-persistence-h2/README.md

@@ -1,2 +1,3 @@
 ### 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)

persistence-modules/spring-boot-persistence-h2/pom.xml

@@ -14,7 +14,7 @@
         <artifactId>parent-boot-2</artifactId>
         <groupId>com.baeldung</groupId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../../../parent-boot-2</relativePath>
+        <relativePath>../../parent-boot-2</relativePath>
     </parent>
 
     <dependencies>