D-Net

ALTER TABLE project DROP COLUMN token RESTRICT;

ALTER TABLE project DROP COLUMN notify RESTRICT;

CREATE TABLE notification(

	openaire_id	VARCHAR(60)		NOT NULL,

	user_email	VARCHAR(256)	NOT NULL,

	frequency	INT				NOT NULL,

	notify		BOOLEAN			DEFAULT TRUE,

	last_interaction_date TIMESTAMP WITHOUT TIME ZONE,

	PRIMARY KEY(openaire_id, user_email)

);