-- Place your SQL code here
ALTER TABLE vn.mrwConfig ADD IF NOT EXISTS defaultHeight INT UNSIGNED NULL COMMENT 'default height in centimeters';
ALTER TABLE vn.mrwConfig ADD IF NOT EXISTS  defaultLength INT UNSIGNED NULL COMMENT 'default length in centimeters';
ALTER TABLE vn.mrwConfig ADD IF NOT EXISTS  defaultWidth INT UNSIGNED NULL COMMENT 'default width in centimeters';
ALTER TABLE vn.mrwConfig ADD IF NOT EXISTS  defaultWeight INT UNSIGNED NULL COMMENT 'default weight in centimeters';