diff --git a/utils/db_structure.sql b/utils/db_structure.sql
new file mode 100644
index 0000000..cedf7a6
--- /dev/null
+++ b/utils/db_structure.sql
@@ -0,0 +1,24 @@
+-- SQL sentences to set up all the DB tables
+
+CREATE TABLE users (
+  id INT NOT NULL AUTO_INCREMENT,
+  PRIMARY KEY(id),
+  sub VARCHAR(255) NOT NULL UNIQUE,
+  email VARCHAR(320)
+);
+
+CREATE TABLE subjects (
+  id INT NOT NULL AUTO_INCREMENT,
+  PRIMARY KEY(id),
+  friendly_name VARCHAR(100) NOT NULL UNIQUE, -- Nom que es mostra al web
+  calendar_name VARCHAR(100) NOT NULL -- Nom al calendari de la FME
+);
+
+CREATE TABLE user_subjects (
+  id INT NOT NULL AUTO_INCREMENT,
+  PRIMARY KEY(id),
+  user_id INT NOT NULL,
+  subject_id INT NOT NULL
+);
+
+-- @TODO: Add form completion log table
