18. From Data Warehouse to Big Data (large Data Bases)
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1970 relational model invented
RDBMS declared mainstream till 90s
One-size fits all, Elephant vendors- heavily
encoded even indexing by B-trees.
19. Alex ' Sandy' Pentland, director of 'Media Lab' at
Massachusetts Institute of Technology (MIT):
The big data revolution,
2013 Campus Party Europe
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Nowadays bussiness needs a high
avalailability of data, then new
techniques must be developed:
Complex analytics, Graph Databases
Data Volume is increasing
exponentially
– 44x increase from 2009 2020
– From 0.8 zettabytes to 35zb