diff --git a/Admin/Install/db.json b/Admin/Install/db.json
new file mode 100644
index 0000000..641f766
--- /dev/null
+++ b/Admin/Install/db.json
@@ -0,0 +1,239 @@
+{
+    "task": {
+        "name": "task",
+        "fields": {
+            "task_id": {
+                "name": "task_id",
+                "type": "INT",
+                "null": false,
+                "primary": true,
+                "autoincrement": true
+            },
+            "task_title": {
+                "name": "task_title",
+                "type": "VARCHAR(255)",
+                "null": false
+            },
+            "task_desc": {
+                "name": "task_desc",
+                "type": "TEXT",
+                "null": false
+            },
+            "task_desc_raw": {
+                "name": "task_desc_raw",
+                "type": "TEXT",
+                "null": false
+            },
+            "task_type": {
+                "name": "task_type",
+                "type": "TINYINT",
+                "null": false
+            },
+            "task_status": {
+                "name": "task_status",
+                "type": "TINYINT",
+                "null": false
+            },
+            "task_closable": {
+                "name": "task_closable",
+                "type": "TINYINT",
+                "null": false
+            },
+            "task_priority": {
+                "name": "task_priority",
+                "type": "TINYINT",
+                "null": false
+            },
+            "task_due": {
+                "name": "task_due",
+                "type": "DATETIME",
+                "default": null,
+                "null": true
+            },
+            "task_done": {
+                "name": "task_done",
+                "type": "DATETIME",
+                "default": null,
+                "null": true
+            },
+            "task_start": {
+                "name": "task_start",
+                "type": "DATETIME",
+                "default": null,
+                "null": true
+            },
+            "task_schedule": {
+                "name": "task_schedule",
+                "type": "INT",
+                "default": null,
+                "null": true,
+                "foreignTable": "schedule",
+                "foreignKey": "schedule_id"
+            },
+            "task_created_by": {
+                "name": "task_created_by",
+                "type": "INT",
+                "null": false,
+                "foreignTable": "account",
+                "foreignKey": "account_id"
+            },
+            "task_created_at": {
+                "name": "task_created_at",
+                "type": "DATETIME",
+                "null": false
+            }
+        }
+    },
+    "task_media": {
+        "name": "task_media",
+        "fields": {
+            "task_media_id": {
+                "name": "task_media_id",
+                "type": "INT",
+                "null": false,
+                "primary": true,
+                "autoincrement": true
+            },
+            "task_media_src": {
+                "name": "task_media_src",
+                "type": "INT",
+                "null": false,
+                "foreignTable": "task",
+                "foreignKey": "task_id"
+            },
+            "task_media_dst": {
+                "name": "task_media_dst",
+                "type": "INT",
+                "null": false,
+                "foreignTable": "media",
+                "foreignKey": "media_id"
+            }
+        }
+    },
+    "task_account": {
+        "name": "task_account",
+        "fields": {
+            "task_account_id": {
+                "name": "task_account_id",
+                "type": "INT",
+                "null": false,
+                "primary": true,
+                "autoincrement": true
+            },
+            "task_account_task": {
+                "name": "task_account_task",
+                "type": "INT",
+                "null": false,
+                "foreignTable": "task",
+                "foreignKey": "task_id"
+            },
+            "task_account_account": {
+                "name": "task_account_account",
+                "type": "INT",
+                "null": false,
+                "foreignTable": "account",
+                "foreignKey": "account_id"
+            },
+            "task_account_seen": {
+                "name": "task_account_seen",
+                "type": "TINYINT",
+                "null": false
+            },
+            "task_account_type": {
+                "name": "task_account_type",
+                "type": "TINYINT",
+                "null": false
+            }
+        }
+    },
+    "task_element": {
+        "name": "task_element",
+        "fields": {
+            "task_element_id": {
+                "name": "task_element_id",
+                "type": "INT",
+                "null": false,
+                "primary": true,
+                "autoincrement": true
+            },
+            "task_element_desc": {
+                "name": "task_element_desc",
+                "type": "TEXT",
+                "null": false
+            },
+            "task_element_desc_raw": {
+                "name": "task_element_desc_raw",
+                "type": "TEXT",
+                "null": false
+            },
+            "task_element_task": {
+                "name": "task_element_task",
+                "type": "INT",
+                "null": false,
+                "foreignTable": "task",
+                "foreignKey": "task_id"
+            },
+            "task_element_created_by": {
+                "name": "task_element_created_by",
+                "type": "INT",
+                "null": false,
+                "foreignTable": "account",
+                "foreignKey": "account_id"
+            },
+            "task_element_status": {
+                "name": "task_element_status",
+                "type": "TINYINT",
+                "null": false
+            },
+            "task_element_priority": {
+                "name": "task_element_priority",
+                "type": "TINYINT",
+                "null": false
+            },
+            "task_element_due": {
+                "name": "task_element_due",
+                "type": "DATETIME",
+                "null": false
+            },
+            "task_element_forwarded": {
+                "name": "task_element_forwarded",
+                "type": "INT",
+                "default": null,
+                "null": true,
+                "foreignTable": "account",
+                "foreignKey": "account_id"
+            },
+            "task_element_created_at": {
+                "name": "task_element_created_at",
+                "type": "DATETIME",
+                "null": false
+            }
+        }
+    },
+    "task_element_media": {
+        "name": "task_element_media",
+        "fields": {
+            "task_element_media_id": {
+                "name": "task_element_media_id",
+                "type": "INT",
+                "null": false,
+                "primary": true,
+                "autoincrement": true
+            },
+            "task_element_media_src": {
+                "name": "task_element_media_src",
+                "type": "INT",
+                "null": false,
+                "foreignTable": "task_element",
+                "foreignKey": "task_element_id"
+            },
+            "task_element_media_dst": {
+                "name": "task_element_media_dst",
+                "type": "INT",
+                "null": false,
+                "foreignTable": "media",
+                "foreignKey": "media_id"
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Admin/Installer.php b/Admin/Installer.php
index 19ad86d..2182d73 100644
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -29,128 +29,4 @@ use phpOMS\Module\InstallerAbstract;
  */
 class Installer extends InstallerAbstract
 {
-
-    /**
-     * {@inheritdoc}
-     */
-    public static function install(DatabasePool $dbPool, InfoManager $info) : void
-    {
-        parent::install($dbPool, $info);
-
-        switch ($dbPool->get()->getType()) {
-            case DatabaseType::MYSQL:
-                $dbPool->get()->con->beginTransaction();
-
-                $dbPool->get()->con->prepare(
-                    'CREATE TABLE if NOT EXISTS `' . $dbPool->get()->prefix . 'task` (
-                            `task_id` int(11) NOT NULL AUTO_INCREMENT,
-                            `task_title` varchar(255) DEFAULT NULL,
-                            `task_desc` text NOT NULL,
-                            `task_desc_raw` text NOT NULL,
-                            `task_type` tinyint(1) NOT NULL,
-                            `task_status` tinyint(1) NOT NULL,
-                            `task_closable` tinyint(1) NOT NULL,
-                            `task_priority` tinyint(1) NOT NULL,
-                            `task_due` datetime NOT NULL,
-                            `task_done` datetime DEFAULT NULL,
-                            `task_start` datetime DEFAULT NULL,
-                            `task_schedule` int(11) DEFAULT NULL,
-                            `task_created_by` int(11) NOT NULL,
-                            `task_created_at` datetime NOT NULL,
-                            PRIMARY KEY (`task_id`),
-                            KEY `task_schedule` (`task_schedule`),
-                            KEY `task_created_by` (`task_created_by`)
-                        )ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=1;'
-                )->execute();
-
-                $dbPool->get()->con->prepare(
-                    'ALTER TABLE `' . $dbPool->get()->prefix . 'task`
-                            ADD CONSTRAINT `' . $dbPool->get()->prefix . 'task_ibfk_1` FOREIGN KEY (`task_schedule`) REFERENCES `' . $dbPool->get()->prefix . 'schedule` (`schedule_id`),
-                            ADD CONSTRAINT `' . $dbPool->get()->prefix . 'task_ibfk_2` FOREIGN KEY (`task_created_by`) REFERENCES `' . $dbPool->get()->prefix . 'account` (`account_id`);'
-                )->execute();
-
-                $dbPool->get()->con->prepare(
-                    'CREATE TABLE if NOT EXISTS `' . $dbPool->get()->prefix . 'task_media` (
-                            `task_media_id` int(11) NOT NULL AUTO_INCREMENT,
-                            `task_media_src`  int(11) NULL,
-                            `task_media_dst` int(11) NULL,
-                            PRIMARY KEY (`task_media_id`),
-                            KEY `task_media_src` (`task_media_src`),
-                            KEY `task_media_dst` (`task_media_dst`)
-                        )ENGINE=InnoDB  DEFAULT CHARSET=utf8;'
-                )->execute();
-
-                $dbPool->get()->con->prepare(
-                    'ALTER TABLE `' . $dbPool->get()->prefix . 'task_media`
-                            ADD CONSTRAINT `' . $dbPool->get()->prefix . 'task_media_ibfk_1` FOREIGN KEY (`task_media_src`) REFERENCES `' . $dbPool->get()->prefix . 'task` (`task_id`),
-                            ADD CONSTRAINT `' . $dbPool->get()->prefix . 'task_media_ibfk_2` FOREIGN KEY (`task_media_dst`) REFERENCES `' . $dbPool->get()->prefix . 'media` (`media_id`);'
-                )->execute();
-
-                // type = to, cc, bcc
-                $dbPool->get()->con->prepare(
-                    'CREATE TABLE if NOT EXISTS `' . $dbPool->get()->prefix . 'task_account` (
-                            `task_account_id` int(11) NOT NULL AUTO_INCREMENT,
-                            `task_account_task` int(11) NOT NULL,
-                            `task_account_seen` tinyint(1) NOT NULL,
-                            `task_account_account` int(11) NOT NULL,
-                            `task_account_type` tinyint(1) NOT NULL,
-                            PRIMARY KEY (`task_account_id`),
-                            KEY `task_account_task` (`task_account_task`),
-                            KEY `task_account_account` (`task_account_account`)
-                        )ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=1;'
-                )->execute();
-
-                $dbPool->get()->con->prepare(
-                    'ALTER TABLE `' . $dbPool->get()->prefix . 'task_account`
-                            ADD CONSTRAINT `' . $dbPool->get()->prefix . 'task_account_ibfk_1` FOREIGN KEY (`task_account_task`) REFERENCES `' . $dbPool->get()->prefix . 'task` (`task_id`),
-                            ADD CONSTRAINT `' . $dbPool->get()->prefix . 'task_account_ibfk_2` FOREIGN KEY (`task_account_account`) REFERENCES `' . $dbPool->get()->prefix . 'account` (`account_id`);'
-                )->execute();
-
-                $dbPool->get()->con->prepare(
-                    'CREATE TABLE if NOT EXISTS `' . $dbPool->get()->prefix . 'task_element` (
-                            `task_element_id` int(11) NOT NULL AUTO_INCREMENT,
-                            `task_element_desc` text NOT NULL,
-                            `task_element_desc_raw` text NOT NULL,
-                            `task_element_task` int(11) NOT NULL,
-                            `task_element_created_by` int(11) NOT NULL,
-                            `task_element_status` tinyint(1) NOT NULL,
-                            `task_element_priority` tinyint(1) NOT NULL,
-                            `task_element_due` datetime NOT NULL,
-                            `task_element_forwarded` int(11) DEFAULT NULL,
-                            `task_element_created_at` datetime NOT NULL,
-                            PRIMARY KEY (`task_element_id`),
-                            KEY `task_element_task` (`task_element_task`),
-                            KEY `task_element_created_by` (`task_element_created_by`),
-                            KEY `task_element_forwarded` (`task_element_forwarded`)
-                        )ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=1;'
-                )->execute();
-
-                $dbPool->get()->con->prepare(
-                    'ALTER TABLE `' . $dbPool->get()->prefix . 'task_element`
-                            ADD CONSTRAINT `' . $dbPool->get()->prefix . 'task_element_ibfk_1` FOREIGN KEY (`task_element_task`) REFERENCES `' . $dbPool->get()->prefix . 'task` (`task_id`),
-                            ADD CONSTRAINT `' . $dbPool->get()->prefix . 'task_element_ibfk_2` FOREIGN KEY (`task_element_created_by`) REFERENCES `' . $dbPool->get()->prefix . 'account` (`account_id`),
-                            ADD CONSTRAINT `' . $dbPool->get()->prefix . 'task_element_ibfk_3` FOREIGN KEY (`task_element_forwarded`) REFERENCES `' . $dbPool->get()->prefix . 'account` (`account_id`);'
-                )->execute();
-
-                $dbPool->get()->con->prepare(
-                    'CREATE TABLE if NOT EXISTS `' . $dbPool->get()->prefix . 'task_element_media` (
-                            `task_element_media_id` int(11) NOT NULL AUTO_INCREMENT,
-                            `task_element_media_src`  int(11) NULL,
-                            `task_element_media_dst` int(11) NULL,
-                            PRIMARY KEY (`task_element_media_id`),
-                            KEY `task_element_media_src` (`task_element_media_src`),
-                            KEY `task_element_media_dst` (`task_element_media_dst`)
-                        )ENGINE=InnoDB  DEFAULT CHARSET=utf8;'
-                )->execute();
-
-                $dbPool->get()->con->prepare(
-                    'ALTER TABLE `' . $dbPool->get()->prefix . 'task_element_media`
-                            ADD CONSTRAINT `' . $dbPool->get()->prefix . 'task_element_media_ibfk_1` FOREIGN KEY (`task_element_media_src`) REFERENCES `' . $dbPool->get()->prefix . 'task_element` (`task_element_id`),
-                            ADD CONSTRAINT `' . $dbPool->get()->prefix . 'task_element_media_ibfk_2` FOREIGN KEY (`task_element_media_dst`) REFERENCES `' . $dbPool->get()->prefix . 'media` (`media_id`);'
-                )->execute();
-
-                $dbPool->get()->con->commit();
-                break;
-        }
-    }
 }