CREATE TABLE items (
    id UUID DEFAULT uuid_generate_v4() PRIMARY KEY NOT NULL,
    description TEXT NOT NULL
);
CREATE TABLE tags (
    id UUID DEFAULT uuid_generate_v4() PRIMARY KEY NOT NULL,
    name TEXT NOT NULL,
    item_id UUID NOT NULL
);
CREATE INDEX tags_item_id_index ON tags (item_id);
ALTER TABLE tags ADD CONSTRAINT tags_ref_item_id FOREIGN KEY (item_id) REFERENCES items (id) ON DELETE NO ACTION;