CREATE TABLE tb_person ( person_id INTEGER NOT NULL, person_name VARCHAR(100), person_height INTEGER, person_dateofbirth TIMESTAMP, person_org_id INTEGER, PRIMARY KEY (person_id) ); CREATE TABLE tb_organisation ( org_id INTEGER NOT NULL, org_name VARCHAR(100), org_country VARCHAR(100), PRIMARY KEY (org_id) ); CREATE USER helma WITH PASSWORD 'secret'; GRANT insert, delete, select, update ON tb_person, tb_organisation TO helma;