60
P.A. Bernstein, S. Melnik: Meta Data Management,
ICDE'04 Boston
OrderID
Product
Brand
m
mA¢
OrderID
Product
Rebate
mB¢
OrderID
Product
Discount
ShipDate
Merge
mR
OrderID
Product
Rebate/Discount
ShipDate
lMerge mA¢ and
mB¢ using
mA¢_mB¢
mA¢_mB¢