sql execution

CREATE TABLE user_customer
(
    user_id integer PRIMARY KEY,
    name_user VARCHAR(45) NOT NULL,
    age VARCHAR(45) NOT NULL,
    address VARCHAR(45) NOT NULL,
    gender VARCHAR(45) NOT NULL,
    passport VARCHAR(45) NOT NULL,
    login VARCHAR(45)
);

CREATE TABLE user_operator
(
    user_operator_id integer PRIMARY KEY,
    clinet_data VARCHAR(45) NOT NULL
);

CREATE TABLE ROLE_USERS
(
    ROLE_USER_ID integer PRIMARY KEY,
    fk_operator_id integer REFERENCES user_operator(user_operator_id) NOT NULL,
    fk_user_customer integer REFERENCES user_customer(user_id) NOT NULL
);

CREATE TABLE cabin
(
    cabin_id integer PRIMARY KEY,
    number_cabin VARCHAR(45) NOT NULL,
    class_cabin VARCHAR(45) NOT NULL,
    floor_cabin VARCHAR(45) NOT NULL,
    type_cabin VARCHAR(45) NOT NULL
);

CREATE TABLE events
(
    events_id integer PRIMARY KEY,
    type_events VARCHAR(45) NOT NULL
);

CREATE TABLE event_type
(
    event_type_id integer PRIMARY KEY,
    fk_events_id integer REFERENCES events(events_id) NOT NULL
);

CREATE TABLE products
(
    product_id integer PRIMARY KEY,
    name_product VARCHAR(45) NOT NULL,
    description VARCHAR(45) NOT NULL,
    start_date DATE NOT NULL,
    finish_date DATE NOT NULL
);

CREATE TABLE ships
(
    ship_id integer PRIMARY KEY,
    name_ship VARCHAR(45) NOT NULL,
    type_ship VARCHAR(45) NOT NULL,
    capacity VARCHAR(45)
);

CREATE TABLE voucher
(
    voucher_id integer PRIMARY KEY,
    fk_product_id integer REFERENCES products(product_id) NOT NULL,
    fk_ships_id integer REFERENCES ships(ship_id) NOT NULL
);

CREATE TABLE order_regist
(
    order_regist_id integer PRIMARY KEY,
    registration_date date NOT NULL,
    registration_time time NOT NULL,
    fk_cabin_id integer REFERENCES cabin(cabin_id) NOT NULL,
    fk_event_type_id integer REFERENCES event_type(event_type_id) NOT NULL,
    fk_role_id integer REFERENCES ROLE_USERS(ROLE_USER_ID) NOT NULL,
    fk_voucher_id integer REFERENCES voucher(voucher_id) NOT NULL
);


CREATE TABLE ticket
(
    ticket_id integer PRIMARY KEY,
    fk_order_id integer REFERENCES order_regist(order_regist_id) NOT NULL
)