53
P.A. Bernstein, S. Melnik: Meta Data Management,
ICDE'04 Boston
Solution
template
OrderID
Product
Brand
m
mA
OrderID
Product
Rebate
mB
OrderID
Product
Brand
Discount
ShipDate
mA¢
OrderID
Product
Rebate
mB¢
OrderID
Product
Discount
ShipDate
lPropagate deletions before
integrating mA and mB
?
m_mA
m_mB
mA_mA¢
mB_mB¢
(begin)