USE payer_centric_pay;

INSERT INTO merchants (name, store_code, contact_name, business_number)
VALUES
  ('Northstar Market', 'NSM-001', 'Ari Vega', '94-3839201'),
  ('Harbor Fuel & Go', 'HFG-117', 'Mina Cole', '13-9911840')
ON DUPLICATE KEY UPDATE
  contact_name = VALUES(contact_name),
  business_number = VALUES(business_number);
