Computerised Databases

Descrição

AS Level ICT A LEVEL Mapa Mental sobre Computerised Databases, criado por CGreen1997 em 21-01-2014.
CGreen1997
Mapa Mental por CGreen1997, atualizado more than 1 year ago
CGreen1997
Criado por CGreen1997 quase 11 anos atrás
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Resumo de Recurso

Computerised Databases
  1. 2 Main types of databases
    1. Flat-file database
      1. All the data is stored is stored in 1 large database. The main problem with this is duplicated data.
      2. Relational Database
        1. More than one table, the tables are linked in some way. this means the data is in smaller sensible data.

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      Keys
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