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April 15, 2020
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History of DB
Created by
w s
⟶ Updated 2 months ago ⟶
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Events
IBM used hierarchical model to develop IMS
Codd relational DB model
Oracle- relational DB system
Introduced OO model (e.g. XML), DW / BI (large organisational data supports business decisions)
Access to DB via web
BIG data
