diff --git a/db/db.sql b/db/db.sql
new file mode 100644
index 0000000..8a150d5
--- /dev/null
+++ b/db/db.sql
@@ -0,0 +1,41 @@
+CREATE TABLE `users` (
+  `id` integer UNIQUE PRIMARY KEY NOT NULL,
+  `id_role` integer NOT NULL,
+  `username` text UNIQUE NOT NULL,
+  `password` text NOT NULL
+);
+
+CREATE TABLE `roles` (
+  `id` integer UNIQUE PRIMARY KEY NOT NULL,
+  `name` text UNIQUE NOT NULL
+);
+
+CREATE TABLE `status` (
+  `id` integer UNIQUE PRIMARY KEY NOT NULL,
+  `name` text UNIQUE NOT NULL
+);
+
+CREATE TABLE `requests` (
+  `id` integer UNIQUE PRIMARY KEY NOT NULL,
+  `id_status` integer NOT NULL,
+  `id_user` integer NOT NULL,
+  `created_at` date DEFAULT (now()),
+  `message` text NOT NULL
+);
+
+CREATE TABLE `feedback` (
+  `id` integer UNIQUE PRIMARY KEY NOT NULL,
+  `id_user` integer NOT NULL,
+  `id_request` integer NOT NULL,
+  `message` text NOT NULL
+);
+
+ALTER TABLE `roles` ADD FOREIGN KEY (`id`) REFERENCES `users` (`id_role`);
+
+ALTER TABLE `users` ADD FOREIGN KEY (`id`) REFERENCES `requests` (`id_user`);
+
+ALTER TABLE `status` ADD FOREIGN KEY (`id`) REFERENCES `requests` (`id_status`);
+
+ALTER TABLE `users` ADD FOREIGN KEY (`id`) REFERENCES `feedback` (`id_user`);
+
+ALTER TABLE `requests` ADD FOREIGN KEY (`id`) REFERENCES `feedback` (`id_request`);