diff --git a/utils/dump.sql b/utils/dump.sql
index 74e5436..e9f5ec7 100644
--- a/utils/dump.sql
+++ b/utils/dump.sql
@@ -31,12 +31,12 @@ CREATE TABLE `nodes` (
   `updated_at` datetime DEFAULT NULL,
   `id` int(11) NOT NULL AUTO_INCREMENT,
   `uuid` varchar(36) NOT NULL,
-  `code` varchar(25) DEFAULT NULL,
+  `code` varchar(25) NOT NULL,
   `status` varchar(15) DEFAULT NULL,
   `name` varchar(255) DEFAULT NULL,
-  `device` varchar(255) DEFAULT NULL,
+  `device` varchar(255) NOT NULL,
   `session` varchar(255) DEFAULT NULL,
-  `mobile` tinyint(1) DEFAULT NULL,
+  `mobile` tinyint(1) DEFAULT 0,
   `extra` text,
   PRIMARY KEY (`id`),
   UNIQUE KEY `uuid` (`uuid`),
@@ -44,6 +44,23 @@ CREATE TABLE `nodes` (
 ) ENGINE=InnoDB AUTO_INCREMENT=127 DEFAULT CHARSET=utf8;
 /*!40101 SET character_set_client = @saved_cs_client */;
 
+DROP TABLE IF EXISTS `sessions`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `sessions` (
+  `created_at` datetime DEFAULT NULL,
+  `updated_at` datetime DEFAULT NULL,
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `valid` tinyint(1) DEFAULT NULL,
+  `session_id` varchar(18) DEFAULT NULL,
+  `node_id` int(11) NOT NULL,
+  `node_uuid` varchar(36) NOT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `session_id` (`session_id`),
+  CONSTRAINT `session_node_id` FOREIGN KEY (`node_id`) REFERENCES `nodes` (`id`),
+  CONSTRAINT `session_node_uuid` FOREIGN KEY (`node_uuid`) REFERENCES `nodes` (`uuid`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+/*!40101 SET character_set_client = @saved_cs_client */;
 
 DROP TABLE IF EXISTS `locations`;
 /*!40101 SET @saved_cs_client     = @@character_set_client */;
@@ -55,10 +72,10 @@ CREATE TABLE `locations` (
   `longitude` varchar(18) DEFAULT NULL,
   `latitude` varchar(18) DEFAULT NULL,
   `altitude` varchar(18) DEFAULT NULL,
-  `node_id` int(11) DEFAULT NULL,
+  `node_id` int(11) NOT NULL,
   PRIMARY KEY (`id`),
   KEY `node_id` (`node_id`),
-  CONSTRAINT `ports_ibfk_1` FOREIGN KEY (`node_id`) REFERENCES `nodes` (`id`)
+  CONSTRAINT `location_ibfk_1` FOREIGN KEY (`node_id`) REFERENCES `nodes` (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 /*!40101 SET character_set_client = @saved_cs_client */;