+--------------------------------------------------------------------------------
+-- Roles
+--------------------------------------------------------------------------------
+
+-- Valid account roles
+CREATE TABLE roles (
+ role_id integer PRIMARY KEY, -- Role identifier
+ name text UNIQUE NOT NULL -- Role symbolic name
+) WITH OIDS;
+INSERT INTO roles (role_id, name) VALUES (10, 'admin');
+INSERT INTO roles (role_id, name) VALUES (20, 'pi');
+INSERT INTO roles (role_id, name) VALUES (30, 'user');
+INSERT INTO roles (role_id, name) VALUES (40, 'tech');
+