SQL: Triggers - Views - Indexes Tutorial for Beginners in PDF

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Contents

  • “Active” data
  • TriggersTrigger options, Transition variables
  • Statement-level trigger example
  • BEFORE trigger example
  • Statement- vs. row-level triggers
  • System issues, Views, Creating and dropping views
  • Using views in queries, Why use views?
  • Modifying views, A simple case
  • An impossible case, A case with too many possibilities
  • INSTEAD OF triggers for views
  • Indexes, Examples of using indexes
  • Creating and dropping indexes in SQL
  • Choosing indexes to create
  • SQL features covered so far
Description : Download free Introduction to databases, SQL: Triggers - Views - Indexes, course tutorial, PDF file by Jun Yang, Brett Walenz.
Level : Beginners
Created : April 3, 2016
Size : 122.34 KB
File type : pdf
Pages : 27
Author : Jun Yang, Brett Walenz
Downloads : 2559

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