Trigger Usages

Someone asked me what’s trigger usages. Triggers are very useful for :

  • prevent changes
  • log changes
  • audit changes
  • enhance changes
  • enforce business rules
  • execute business rules
  • replicate data
  • enhance performance

The above list is from http://en.wikipedia.org/wiki/Database_trigger. In future posts I will exactly explain these usages with examples in sql server.

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