CREATE TABLE jrcells (
       id INTEGER AUTO_INCREMENT NOT NULL,
       PRIMARY KEY(id),
       cell_value VARCHAR(2048) NOT NULL,
       jrentry_id INTEGER NOT NULL,
       FOREIGN KEY (jrentry_id) REFERENCES jrentries(id)
       ON DELETE CASCADE
       ON UPDATE CASCADE,
       jrcolumn_id INTEGER NOT NULL,
       FOREIGN KEY (jrcolumn_id) REFERENCES jrcolumns(id)
       ON DELETE CASCADE
       ON UPDATE CASCADE
);