 -- Table structure for table `requests`
 --
 
-DROP TABLE IF EXISTS `requests`;
 /*!40101 SET @saved_cs_client     = @@character_set_client */;
 /*!40101 SET character_set_client = utf8 */;
-CREATE TABLE `requests` (
+CREATE TABLE IF NOT EXISTS `requests` (
   `uuid` varchar(255) NOT NULL,
   `group_id` varchar(255) NOT NULL,
   `timestamp` bigint(20) NOT NULL,

-- Table structure for table `subject`
--

DROP TABLE IF EXISTS `subject`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `subject` (
  `subjectId` varchar(255) NOT NULL,
  `subjectTypeId` varchar(32) NOT NULL,
  `name` varchar(255) DEFAULT NULL,

-- Table structure for table `external_groups`
--

/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE IF NOT EXISTS `external_groups` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `description` longtext,
  `group_provider` varchar(255) DEFAULT NULL,
