ALTER TABLE art_relations.vendor_proposed_term ADD COLUMN reserve_rate FLOAT(10,2) UNSIGNED NOT NULL DEFAULT 0, ADD COLUMN number_of_months_before_payout tinyint(1) UNSIGNED DEFAULT 0, ADD COLUMN number_of_installments tinyint(1) UNSIGNED DEFAULT 0, ADD COLUMN contract_terms TEXT;; ALTER TABLE art_relations.vendor_proposed_term DROP COLUMN reserve_rate, DROP COLUMN number_of_months_before_payout, DROP COLUMN number_of_installments, DROP COLUMN contract_terms;;