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SQL Server 2000 Tutorial: Why You Use SCOPE_IDENTITY() Instead of @@IDENTITY

   Chapter: TSQL Programming: Stored Procedures, Variables, Functions and Triggers
Download! Skill Level: 300 (Intermediate)
Duration: 12:17
Size: 9.10MB
Versions/Editions Covered: SQL Server 2005 , SQL Server 2008 , SQL Server 2000
Added/Updated: Dec 10, 2006
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If your queries and stored procedures use @@IDENTITY (perhaps you have legacy code updated from SQL Server 7.0 or earlier), you'll likely get good value from watching this video on replacing @@IDENTITY calls with the T-SQL function SCOPE_IDENTITY(). This video shows very plainly the negative possiblities of using @@IDENTITY today (triggers are a real problem) and, after you watch this tutorial, you'll never want to use @@IDENTITY again!
Tags for this video: dbcc check_ident scope identity  
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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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8/20/2008 3:24:54 AM