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Database Data Development notes

Source: Internet
Author: User
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1951: The UNIVAC system uses tape and punched cards for data storage.

1956: IBM first introduced a disk drive in its model 305 ramac

1961: Charles Bachman OF Ge developed the first database management system, IDs.

1969: e.f. codd invented relational database.

1973 Cullinane, led by John J. Cullinane, developed IDMS, a network model-based database for IBM hosts.

1976: Honeywell launched multics relational data store, the first commercial relational database product. 1979: Oracle introduced the first commercial SQL relational database management system.

1983: IBM has launched the DB2 database product.

1985: the first business intelligence system designed for Procter & Gamble systems.

1991: W. H. "Bill" inmon published "build a data warehouse ".

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