diff --git a/htdocs/sql/pmd_relation_upd.php b/htdocs/sql/pmd_relation_upd.php
new file mode 100755
--- /dev/null
+++ b/htdocs/sql/pmd_relation_upd.php
@@ -0,0 +1,56 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ *
+ * @version $Id: pmd_relation_upd.php 11132 2008-02-21 17:42:07Z lem9 $
+ * @package phpMyAdmin-Designer
+ */
+
+/**
+ *
+ */
+include_once 'pmd_common.php';
+require_once './libraries/relation.lib.php';
+extract($_POST, EXTR_SKIP);
+extract($_GET, EXTR_SKIP);
+$die_save_pos = 0;
+include_once 'pmd_save_pos.php';
+list($DB1,$T1) = explode(".",$T1);
+list($DB2,$T2) = explode(".",$T2);
+
+$tables = PMA_DBI_get_tables_full($db, $T1);
+$type_T1 = strtoupper($tables[$T1]['ENGINE']);
+$tables = PMA_DBI_get_tables_full($db, $T2);
+$type_T2 = strtoupper($tables[$T2]['ENGINE']);
+
+if ($type_T1 == 'INNODB' && $type_T2 == 'INNODB') {
+    // InnoDB
+    $existrel_innodb = PMA_getForeigners($DB2, $T2, '', 'innodb');
+
+    if (PMA_MYSQL_INT_VERSION >= 40013 && isset($existrel_innodb[$F2]['constraint'])) {
+        $upd_query  = 'ALTER TABLE ' . PMA_backquote($T2)
+                  . ' DROP FOREIGN KEY '
+                  . PMA_backquote($existrel_innodb[$F2]['constraint']);
+        $upd_rs     = PMA_DBI_query($upd_query);
+    }
+} else {
+    // internal relations
+    PMA_query_as_cu('DELETE FROM '.$cfg['Server']['relation'].' WHERE '
+              . 'master_db = \'' . PMA_sqlAddslashes($DB2) . '\''
+              . 'AND master_table = \'' . PMA_sqlAddslashes($T2) . '\''
+              . 'AND master_field = \'' . PMA_sqlAddslashes($F2) . '\''
+              . 'AND foreign_db = \'' . PMA_sqlAddslashes($DB1) . '\''
+              . 'AND foreign_table = \'' . PMA_sqlAddslashes($T1) . '\''
+              . 'AND foreign_field = \'' . PMA_sqlAddslashes($F1) . '\''
+              , FALSE, PMA_DBI_QUERY_STORE);
+}
+PMD_return(1, 'strRelationDeleted');
+
+function PMD_return($b,$ret)
+{
+  global $K;
+  header("Content-Type: text/xml; charset=utf-8");
+  header("Cache-Control: no-cache");
+  die('<root act="relation_upd" return="'.$ret.'" b="'.$b.'" K="'.$K.'"></root>');
+}
+?>