ALTER TABLE wx_bill_rent DROP COLUMN owe; ALTER TABLE wx_bill_rent_manage DROP COLUMN owe; ALTER TABLE wx_bill_rent_deposit DROP COLUMN owe; ALTER TABLE wx_bill_property DROP COLUMN owe; ALTER TABLE wx_bill_property_deposit DROP COLUMN owe; ALTER TABLE wx_bill_daily DROP COLUMN owe; ALTER TABLE wx_bill_other DROP COLUMN owe; ALTER TABLE wx_bill_other_deposit DROP COLUMN owe;