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Transact SQL Tutorial: 08 - Understanding Datatype Precedence in Implict Conversions

   Chapter: Table Design - Datatypes, Constraints, IDENTITY Columns, Normalization, and More
Download! Skill Level: 300 (Intermediate)
Duration: 11:00
Size: 9.39MB
Versions/Editions Covered: SQL Server 2005 , SQL Server 2008 , SQL Server 2000
Added/Updated: Feb 20, 2007
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SQL Server has a specific set of rules that it follows when it does implicit conversion. These rules are outlined in this video and you get to see interesting examples.

A note from Scott Whigham (author): 'I consider this information extremely important and I heartily recommend that you commit these examples to memory.'
Tags for this video: convert date to string converting datatypes data types format dates formatting report reporting reports  
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This video is part of the following video series: "Data Type Overview - Order of Precendence, Using CAST and CONVERT, and Best Practices for Data Type Conversion"
All SQL developers should have command of the datatype conversion functions, CAST and CONVERT. All SQL developers should also have full knowledge of the data types themselves (i.e., which holds a larger number, FLOAT or REAL?).

This video series helps you cope with the various data types as well as helping you learn how implicit and explicit datatype conversion works (i.e., converting from a string to a number) and much, much more.
To view all videos in this series, click here

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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11/20/2008 4:06:57 PM