--From PVD

-- Add/modify columns 
alter table I_CUSTOMER add INHERITMAPRICELIST VARCHAR2(1) default 'N';
alter table I_CUSTOMER add RESTRICTONMAPRODUCTS VARCHAR2(1) default 'N';
-- Create/Recreate check constraints 
alter table I_CUSTOMER
  add constraint I_CUST_YN_RESTRICTONMAPRODUCTS
  check (RESTRICTONMAPRODUCTS IN ('Y', 'N'));
alter table I_CUSTOMER
  add constraint I_CUST_YN_INHERITMAPRICELIST
  check (INHERITMAPRICELIST IN ('Y', 'N'));