Database design

  • Does any one know what is topdown and bottomup logical database?


    Kindest Regards,

    Renu

  • Top down

    1.  Review data gathered on all views without attempting to create any relations.

    2.  Determine the basic entities.

    3.  Start a table for each entity.

    4.  Determine to fill in a primary key of each table.

    5.  Add foreign key as necessary.

    Bottom up

    starts with specific user requirements to ultimately synthesize the design.

     

     

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