40
P.A. Bernstein, S. Melnik: Meta Data Management,
ICDE'04 Boston
Change Propagation
lDesign pattern – Given
two models and a mapping. One
model changes. Fix the mapping and
other model.
M1
M2
map12
M1¢
lApplications
ØSchema evolution,
interface evolution, …
ØRequired maintenance
for all meta data problems
lSolution template
ØRequires all of the
operators
M2¢
map12
¢