Elements of the Ideal Field

   
  • It represents a distinct characteristic of the subject of the table.

  • It contains only a single value.

  • It cannot be deconstructed into smaller components .

  • It does not contain a calculated or concatenated value.

  • It is unique within the entire database structure.

  • It retains the majority of its characteristics when it appears in more than one table.


   
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Database Design for Mere Mortals[c] A Hands-On Guide to Relational Database Design
Database Design for Mere Mortals: A Hands-On Guide to Relational Database Design
ISBN: 0201694719
EAN: 2147483647
Year: 2002
Pages: 203

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