$dbh->do(q{
CREATE TABLE `erm_eholdings_titles` (
`title_id` INT(11) NOT NULL AUTO_INCREMENT COMMENT 'primary key',
+ `biblio_id` INT(11) DEFAULT NULL,
`vendor_id` INT(11) DEFAULT NULL,
`publication_title` VARCHAR(255) DEFAULT NULL,
`external_id` VARCHAR(255) DEFAULT NULL,
`preceeding_publication_title_id` VARCHAR(255) DEFAULT NULL,
`access_type` VARCHAR(255) DEFAULT NULL,
CONSTRAINT `erm_eholdings_titles_ibfk_1` FOREIGN KEY (`vendor_id`) REFERENCES `aqbooksellers` (`id`) ON DELETE SET NULL ON UPDATE CASCADE,
+ CONSTRAINT `erm_eholdings_titles_ibfk_2` FOREIGN KEY (`biblio_id`) REFERENCES `biblio` (`biblionumber`) ON DELETE SET NULL ON UPDATE CASCADE,
PRIMARY KEY(`title_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
});