FANDOM


Analytic Databases Edit

  • Primarily Static, Read-only databases which store archived, historical data used for analysis

Operational Databases Edit

  • Used to manage dynamic bits of data
  • Allow you to do more than simply view archived data
  • Allow modification such as add, change, or delete.

Data Warehouse Edit

  • Stores data from current and previous years
  • It becomes the central source of data that has been screened, edited, standardized and integrated so that it can be used my managers and other professionals.

Hierarchical Databases Edit

  • Relationships are thought of in terms of children and parents
    • Child may only have one parent but a parent can have multiple children
    • Parents and children are tied together my pointers

Network Databases Edit

  • Designed to fix issues with Hierarchical Model
  • Solves the problem of data redundancy
    • By representing relationships in terms of sets rather than hierarchy
  • Network model is like the Hierarchical model but instead of using a single-parent tree the network model allows for a child to have more than one parent



'References' Edit

"Database." Wikipedia. 19 October 2009 <http://en.wikipedia.org/wiki/Database>.

"Types of Databases."The UK Web Design Company. 19 October 2009 <http://www.theukwebdesigncompany.com/articles/types-of-databases.php>.




 

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