CREATE TABLE "users" (
	"id" int,
	"role_id" int,
	"display_name" varchar(255),
	"email" varchar(255),
	"password" varchar(255)
);
CREATE TABLE "rights" (
	"id" int
);
CREATE TABLE "roles" (
	"id" int,
	"name" varchar(255),
	"description" varchar(255)
);
CREATE TABLE "roles_rights" (
	"right_id" int,
	"role_id" int
);