diff --git a/classes/diaSchema.class.php b/classes/diaSchema.class.php
new file mode 100644
index 000000000..e0fb1ccd2
--- /dev/null
+++ b/classes/diaSchema.class.php
@@ -0,0 +1,7 @@
+<?php
+include_once("relationSchema.abstract.class.php");
+class diaSchema extends exportRelationSchema
+{
+	
+}
+?>
\ No newline at end of file
diff --git a/classes/epsSchema.class.php b/classes/epsSchema.class.php
new file mode 100644
index 000000000..3e0b942a0
--- /dev/null
+++ b/classes/epsSchema.class.php
@@ -0,0 +1,7 @@
+<?php
+include_once("relationSchema.abstract.class.php");
+class epsSchema extends exportRelationSchema
+{
+	
+}
+?>
\ No newline at end of file
diff --git a/classes/pdfSchema.class.php b/classes/pdfSchema.class.php
new file mode 100644
index 000000000..65fa8a043
--- /dev/null
+++ b/classes/pdfSchema.class.php
@@ -0,0 +1,7 @@
+<?php
+include_once("relationSchema.abstract.class.php");
+class pdfSchema extends exportRelationSchema
+{
+	
+}
+?>
\ No newline at end of file
diff --git a/classes/relationSchema.abstract.class.php b/classes/relationSchema.abstract.class.php
new file mode 100644
index 000000000..ae8f62d02
--- /dev/null
+++ b/classes/relationSchema.abstract.class.php
@@ -0,0 +1,18 @@
+<?php
+// Using Abstract Factory Pattern for exporting relational Schema in different Formats !
+abstract class exportRelationSchema
+{
+	private $pageTitle; // Title of the page
+	private  $autoLayoutType; // Internal or Foreign Key Relations;
+	
+	public function setPageTitle($title)
+	{
+		$this->pageTitle=$title;
+	}
+	
+	public function createPage()
+	{
+		
+	}
+}
+?>
\ No newline at end of file
diff --git a/classes/svgSchema.class.php b/classes/svgSchema.class.php
new file mode 100644
index 000000000..61ccc3bfc
--- /dev/null
+++ b/classes/svgSchema.class.php
@@ -0,0 +1,7 @@
+<?php
+include_once("relationSchema.abstract.class.php");
+class svgSchema extends exportRelationSchema
+{
+	
+}
+?>
\ No newline at end of file
diff --git a/classes/visioSchema.class.php b/classes/visioSchema.class.php
new file mode 100644
index 000000000..167d5220b
--- /dev/null
+++ b/classes/visioSchema.class.php
@@ -0,0 +1,7 @@
+<?php
+include_once("relationSchema.abstract.class.php");
+class visioSchema extends exportRelationSchema
+{
+	
+}
+?>
\ No newline at end of file