diff --git a/P/Sda1/Jpa/rdbms2catalog/solution/pom.xml b/P/Sda1/Jpa/rdbms2catalog/solution/pom.xml
index 4fcc2dbcff4cff3724f845bc62b550866d1c11a5..0a93b21072c1c50ff677f9b03ec3b84cf7a02592 100644
--- a/P/Sda1/Jpa/rdbms2catalog/solution/pom.xml
+++ b/P/Sda1/Jpa/rdbms2catalog/solution/pom.xml
@@ -1,54 +1,71 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-  <modelVersion>4.0.0</modelVersion>
-
-  <parent>
-    <groupId>de.hdm-stuttgart.mi</groupId>
-    <artifactId>lecturenotes-pom</artifactId>
-    <version>1.0</version>
-
-    <relativePath>../../../../pom.xml</relativePath>
-  </parent>
-
-  <groupId>de.hdm-stuttgart.mi.sda1</groupId>
-  <artifactId>rdbms2catalog</artifactId>
-  <version>2.0</version>
-  <packaging>jar</packaging>
-
-  <name>rdbms2catalogJpa</name>
-  <url>http://www.mi.hdm-stuttgart.de/freedocs</url>
-
-  <dependencies>
-	<dependency>
-      <groupId>org.hibernate</groupId>
-      <artifactId>hibernate-entitymanager</artifactId>
-      <version>5.0.0.CR1</version>
-    </dependency>
-
-    <dependency>
-      <groupId>org.hibernate.javax.persistence</groupId>
-      <artifactId>hibernate-jpa-2.1-api</artifactId>
-      <version>1.0.0.Final</version>
-    </dependency>
-
-    <dependency>
-      <groupId>org.hibernate</groupId>
-      <artifactId>hibernate-c3p0</artifactId>
-      <version>5.0.0.CR1</version>
-    </dependency>
-	
-    <dependency>
-      <groupId>org.jdom</groupId>
-      <artifactId>jdom2</artifactId>
-      <version>${org.jdom.jdom2.version}</version>
-    </dependency>
-
-    <dependency>
-      <groupId>mysql</groupId>
-      <artifactId>mysql-connector-java</artifactId>
-      <version>${mysql.mysql-connector-java.version}</version>
-    </dependency>
-
-  </dependencies>
-
-</project>
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<parent>
+		<groupId>de.hdm-stuttgart.mi</groupId>
+		<artifactId>lecturenotes-pom</artifactId>
+		<version>1.0</version>
+
+		<relativePath>../../../../pom.xml</relativePath>
+	</parent>
+
+	<groupId>de.hdm-stuttgart.mi.sda1</groupId>
+	<artifactId>rdbms2catalog</artifactId>
+	<version>2.0</version>
+	<packaging>jar</packaging>
+
+	<name>rdbms2catalogJpa</name>
+	<url>http://www.mi.hdm-stuttgart.de/freedocs</url>
+
+	<dependencies>
+
+		<dependency>
+			<groupId>org.hibernate</groupId>
+			<artifactId>hibernate-entitymanager</artifactId>
+			<version>5.1.0.Final</version>
+		</dependency>
+
+		<dependency>
+			<groupId>mysql</groupId>
+			<artifactId>mysql-connector-java</artifactId>
+			<version>${mysql.mysql-connector-java.version}</version>
+		</dependency>
+
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>4.12</version>
+			<scope>test</scope>
+		</dependency>
+
+		<dependency>
+			<groupId>org.apache.logging.log4j</groupId>
+			<artifactId>log4j-core</artifactId>
+			<version>2.6</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.jdom</groupId>
+			<artifactId>jdom2</artifactId>
+			<version>${org.jdom.jdom2.version}</version>
+		</dependency>
+
+	</dependencies>
+
+	<build>
+		<plugins>
+
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>3.5.1</version>
+				<configuration>
+					<source>1.8</source>
+					<target>1.8</target>
+				</configuration>
+			</plugin>
+
+		</plugins>
+	</build>
+</project>
\ No newline at end of file
diff --git a/P/Sda1/Jpa/rdbms2catalog/solution/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/RdbmsAccess.java b/P/Sda1/Jpa/rdbms2catalog/solution/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/RdbmsAccess.java
index 872b3a211e32ed464fc6e012987d0b58434f7f77..11c0a039487544932eeebed91ae6bff42731180c 100644
--- a/P/Sda1/Jpa/rdbms2catalog/solution/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/RdbmsAccess.java
+++ b/P/Sda1/Jpa/rdbms2catalog/solution/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/RdbmsAccess.java
@@ -18,7 +18,7 @@ public class RdbmsAccess {
    static final EntityManager em;
 
    static {
-      final EntityManagerFactory emFactory =  Persistence.createEntityManagerFactory("none");
+      final EntityManagerFactory emFactory =  Persistence.createEntityManagerFactory("update");
       em = emFactory.createEntityManager();
    }
 
@@ -35,6 +35,8 @@ public class RdbmsAccess {
          final Element productElement = new Element("product");
          root.addContent(productElement);
          productElement.setAttribute("id", "" + p.getId());
+         
+         System.out.println(p.getName() + "++++++++++++++++++++++++++++++++++++");
 
          productElement.addContent(new Element("name").addContent(p.getName()));
 
@@ -45,5 +47,6 @@ public class RdbmsAccess {
          p.getAge().ifPresent(age -> productElement.addContent(new Element("age").addContent(age.toString())));
       }
       transaction.commit();
+      em.getEntityManagerFactory().close();
    }
 }
\ No newline at end of file
diff --git a/P/Sda1/Jpa/rdbms2catalog/solution/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/model/Description.java b/P/Sda1/Jpa/rdbms2catalog/solution/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/model/Description.java
index 6a068c0006629207233a2566b2d630a3f71bb169..0db1072505d9474c84b4311d88fce73a2f993c2b 100644
--- a/P/Sda1/Jpa/rdbms2catalog/solution/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/model/Description.java
+++ b/P/Sda1/Jpa/rdbms2catalog/solution/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/model/Description.java
@@ -7,18 +7,21 @@ import javax.persistence.Embeddable;
 
 @Embeddable
 public class Description {
-	
-	protected Description() {}
-	
-	public Description(final String description) {
-		this.description = description;
-	}
-    String description;
-	public String getDescription() {
-		return description;
-	}
-
-	public void setDescription(String description) {
-		this.description = description;
-	}
+
+   protected Description() {
+   }
+
+   public Description(final String description) {
+      setDescription(description);
+   }
+
+   String description;
+
+   public String getDescription() {
+      return description;
+   }
+
+   public void setDescription(String description) {
+      this.description = description;
+   }
 }
\ No newline at end of file
diff --git a/P/Sda1/Jpa/rdbms2catalog/solution/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/model/Product.java b/P/Sda1/Jpa/rdbms2catalog/solution/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/model/Product.java
index 0313f4a85576debc4a19267210c42b24b8b633ad..12dd64dbf14c9c4550b5cc386585114f46f7ddae 100644
--- a/P/Sda1/Jpa/rdbms2catalog/solution/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/model/Product.java
+++ b/P/Sda1/Jpa/rdbms2catalog/solution/src/main/java/de/hdm_stuttgart/mi/sda1/sql2catalog/model/Product.java
@@ -12,6 +12,10 @@ import javax.persistence.Id;
 import javax.persistence.JoinColumn;
 import javax.persistence.OrderColumn;
 
+import org.hibernate.annotations.Cascade;
+import org.hibernate.annotations.CascadeType;
+
+
 @Entity
 public class Product {
 
diff --git a/P/Sda1/Jpa/rdbms2catalog/solution/src/main/resources/META-INF/persistence.xml b/P/Sda1/Jpa/rdbms2catalog/solution/src/main/resources/META-INF/persistence.xml
index 6431ae651f354c8aa4a60111410b54cebf59992b..b932bc23d566195c67b0892b723dfc20dbd174de 100644
--- a/P/Sda1/Jpa/rdbms2catalog/solution/src/main/resources/META-INF/persistence.xml
+++ b/P/Sda1/Jpa/rdbms2catalog/solution/src/main/resources/META-INF/persistence.xml
@@ -3,53 +3,51 @@
 	xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
 	http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd"
 	version="2.1">
-
-	<persistence-unit name="create-drop" transaction-type="RESOURCE_LOCAL">
+	
+	<persistence-unit name="drop-create" transaction-type="RESOURCE_LOCAL">
 		<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
 		
+		<exclude-unlisted-classes>false</exclude-unlisted-classes>
+		
 		<properties>
-			<property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost/hdm" />
-			<property name="javax.persistence.jdbc.user" value="hdmuser" />
-			<property name="javax.persistence.jdbc.password" value="XYZ" />
-			<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver" />
+			<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
+			<property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/hdm?useSSL=false"/>
+			<property name="javax.persistence.jdbc.user" value="hdmuser"/>
+			<property name="javax.persistence.jdbc.password" value="XYZ"/>
 			
-			<property name="hibernate.show_sql" value="true" />
-			<property name="hibernate.format_sql" value="true" />
-			<property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect" />
-			<property name="hibernate.hbm2ddl.auto" value="create-drop" />
+			<property
+				name="javax.persistence.schema-generation.database.action"
+				value="drop-and-create"/>
 			
-			<!-- Configuring Connection Pool -->
+			<property name="hibernate.format_sql" value="true"/>
+			<property name="hibernate.use_sql_comments" value="true"/>
+			
+			<property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect" />
 			
-			<property name="hibernate.c3p0.min_size" value="5" />
-			<property name="hibernate.c3p0.max_size" value="20" />
-			<property name="hibernate.c3p0.timeout" value="500" />
-			<property name="hibernate.c3p0.max_statements" value="50" />
-			<property name="hibernate.c3p0.idle_test_period" value="2000" />
+			<property name="hibernate.archive.autodetection" value="class"/>
 			
 		</properties>
 	</persistence-unit>
 	
-	<persistence-unit name="none" transaction-type="RESOURCE_LOCAL">
-		<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
+	<persistence-unit name="update" transaction-type="RESOURCE_LOCAL">
+		<exclude-unlisted-classes>false</exclude-unlisted-classes>
 		
 		<properties>
-			<property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost/hdm" />
-			<property name="javax.persistence.jdbc.user" value="hdmuser" />
-			<property name="javax.persistence.jdbc.password" value="XYZ" />
-			<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver" />
+			<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
+			<property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/hdm?useSSL=false"/>
+			<property name="javax.persistence.jdbc.user" value="hdmuser"/>
+			<property name="javax.persistence.jdbc.password" value="XYZ"/>
 			
-			<property name="hibernate.show_sql" value="true" />
-			<property name="hibernate.format_sql" value="true" />
-			<property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect" />
-			<property name="hibernate.hbm2ddl.auto" value="none" />
+			<property
+				name="javax.persistence.schema-generation.database.action"
+				value="update"/>
 			
-			<!-- Configuring Connection Pool -->
+			<property name="hibernate.format_sql" value="true"/>
+			<property name="hibernate.use_sql_comments" value="true"/>
+			
+			<property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect" />
 			
-			<property name="hibernate.c3p0.min_size" value="5" />
-			<property name="hibernate.c3p0.max_size" value="20" />
-			<property name="hibernate.c3p0.timeout" value="500" />
-			<property name="hibernate.c3p0.max_statements" value="50" />
-			<property name="hibernate.c3p0.idle_test_period" value="2000" />
+			<property name="hibernate.archive.autodetection" value="class"/>
 			
 		</properties>
 	</persistence-unit>
diff --git a/P/Sda1/Jpa/rdbms2catalog/solution/src/test/java/rdbms2catalog/TestSchema.java b/P/Sda1/Jpa/rdbms2catalog/solution/src/test/java/rdbms2catalog/TestSchema.java
index 6473e0ec6ea1facc8205e4fa505d5461cb37953e..5be0bba7eca3ecb36337b9b169b71b4222df128f 100644
--- a/P/Sda1/Jpa/rdbms2catalog/solution/src/test/java/rdbms2catalog/TestSchema.java
+++ b/P/Sda1/Jpa/rdbms2catalog/solution/src/test/java/rdbms2catalog/TestSchema.java
@@ -15,7 +15,7 @@ public class TestSchema {
     static final EntityManager em;
 
     static {
-	    final EntityManagerFactory emFactory =  Persistence.createEntityManagerFactory("create-drop");
+	    final EntityManagerFactory emFactory =  Persistence.createEntityManagerFactory("drop-create");
 	    em = emFactory.createEntityManager();
 	}