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Transact-SQL Programming and Query Writing Tutorial: 01 - An Introduction to Datatype Conversion

   Chapter: Table Design - Datatypes, Constraints, IDENTITY Columns, Normalization, and More
Download! Skill Level: 200 (Beginner - Intermediate)
Duration: 11:00
Size: 7.26MB
Versions/Editions Covered: SQL Server 2005 , SQL Server 2008 , SQL Server 2000
Added/Updated: Feb 20, 2007
Staff Pick!
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Datatype conversion is what we, as developers, have to deal with on a daily basis. No matter what the language, data type conversion is a daily event. This video helsp introduce the concept from a SQL Server-specific standpoint.

Highlights from this video:
  • Overview of the various datatypes available in SQL Server
    • Numbers
    • Strings
    • Dates
  • Differences between various datatypes
  • Using 'SELECT 123' statements and how SQL Server implements such queries
  • How SQL Server performs datatype conversions in expressions
and much more
Tags for this video: cast cast and convert convert data type conversion decimal float int32 int64 numeric nvarchar(max) real varchar(max)  
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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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