CREATE TABLE Users (
	id INTEGER NOT NULL PRIMARY KEY GENERATED ALWAYS AS IDENTITY (START WITH 1, INCREMENT BY 1),
	email VARCHAR(320) NOT NULL UNIQUE,
	password VARCHAR(32)
	);
		
CREATE TABLE Mails (
	id INTEGER NOT NULL PRIMARY KEY GENERATED ALWAYS AS IDENTITY (START WITH 1, INCREMENT BY 1),
	userId INTEGER NOT NULL,
	fromAdr VARCHAR(320),
	toAdr VARCHAR(320),
	mail CLOB,
	FOREIGN KEY (userId) REFERENCES Users (id) ON DELETE CASCADE ON UPDATE RESTRICT
	);