Tuesday, 1 May 2018

7.0     STORING & PRESENTING KNOWLEDGE
  1. Data warehouses
  2. Visualisation

1)     Data warehouses



  • Relational database was proposed by Edgar Codd (of IBM Research) around 1969. It has since become the dominant database model for commercial applications (in comparison with other database models such as hierarchical, network and object models). Today, there are many commercial Relational Database Management System (RDBMS), such as Oracle, IBM DB2 and Microsoft SQL Server. There are also many free and open-source RDBMS, such as MySQL, mSQL (mini-SQL) and the embedded JavaDB (Apache Derby).

2)     Visualisation




  • Emerging technology which allows user to understand the complexity information through the use of rich computer graphics.
  • Invaluable tool for visualising analysis from data mining and information-retrieval techniques.

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