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Transact SQL Tutorial: How to Decide Whether to Write a JOIN or Subquery

   Chapter: Subqueries, Nested Queries, and Derived Tables in Transact SQL
Download! Skill Level: 300 (Intermediate)
Duration: 09:00
Size: 11MB
Versions/Editions Covered: SQL Server 2005 , SQL Server 2008 , SQL Server 2000
Added/Updated: Nov 16, 2007

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This video will show you how to decide whether to write a JOIN or a Subquery by presenting you with some determining scenarios

Highlights:
  • What is the basic idea of the Single Table JOIN design pattern?
  • When to use JOIN/ OUTER JOIN/LEFT JOIN
  • Using single vs multiple tables and query effects
Tags for this video: compare JOIN LEFT JOIN multiple table outer join query single table SUBQUERY  
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About the Instructor:
Scott Whigham Scott Whigham is the founder of LearnItFirst.com, one of the web's most extensive video training libraries focusing on technical training. Scott is also an experienced consultant, trainer, and author with more than a decade of hands-on experience working with SQL Server databases, writing and debugging applications using Visual Studio, and performance tuning. Scott designed the architecture (websites, class libraries, and database) for the LearnItFirst.com websites and, most re... (Scott Whigham's full bio can be found on the About the Author page)

   
 
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9/8/2008 8:55:28 AM