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Sistemas base de datos

Evolución

Historia y significado

La primera vez que se escuchó el término "Bases de datos" fue en 1963 en un simposio.Es un conjunto de "información" relacionada que se encuentra agrupada o estructurada.

Primera generación

Tarjetas perforadas

Segunda generación

Modelo relacional, System R, OODMS, normalización, DBMS

Tercera generación

Desarrollos de Oracle, Google, amazon, No SQL

BRUNO REYES 205757 BASE DE DATOS I

1950-1970

- 1951 Magnetic tape- 1955 Magnetic Disk- 1961 ISAM-1965 Hierarchical model- 1968 IMS- 1969 Network Model1971 IDMS

Pre-relacional

Relacional

1980-2000

2000-ACTUALIDAD

basic shapes

Infographic

+ info

20XX

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  • Generate experiences with your content.
  • It’s got the Wow effect. Very Wow.
  • Make sure your audience remembers the message.

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