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27 Nov 1976 Jahr - 1976

Beschreibung:

A new database model called Entity-Relationship, or ER, was proposed by P. Chen this year. This model made it possible for designers to focus on data application, instead of logical table structure.

Zugefügt zum Band der Zeit:

The Evolution of Databases

Byassad yaqoob
30 Okt 2018
1
0
334

Datum:

27 Nov 1976 Jahr
Jetzt
~ 48 years ago
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