CREATE TABLE "passwd" ( "username" character varying(64) UNIQUE NOT NULL, "password" character varying(64) NOT NULL, "roles" character varying(255), Constraint "passwd_pkey" Primary Key ("username") ); CREATE TABLE "userproperties" ( "username" character varying(64) NOT NULL REFERENCES passwd (username) ON DELETE CASCADE ON UPDATE CASCADE, "key" character varying(128) NOT NULL, "value" text NOT NULL ); CREATE INDEX "username_idx" on "userproperties" using btree ( "username" "varchar_ops" );