text: CREATE TABLE T_GUEST_BOOK
  (
    ID            BIGINT PRIMARY KEY,
    CREATION_TIME TIMESTAMP   NOT NULL,
    CREATED_BY    VARCHAR(50) NOT NULL,
    UPDATED_TIME  TIMESTAMP   NOT NULL,
    UPDATED_BY    VARCHAR(50) NOT NULL,
    TITLE         VARCHAR(50) NOT NULL,
    USER_ID       BIGINT      NOT NULL
  );
  
  CREATE SEQUENCE T_GUEST_BOOK_SEQ INCREMENT BY 1 START WITH 100000;
  
  ALTER TABLE T_GUEST_BOOK
    ADD CONSTRAINT fk_gb_user_id FOREIGN KEY (USER_ID)
      REFERENCES T_USER (ID);
  