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Microsoft® SQL Server 2008 R2 Unleashed
book

Microsoft® SQL Server 2008 R2 Unleashed

by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
September 2010
Intermediate to advanced content levelIntermediate to advanced
1704 pages
111h 8m
English
Sams
Content preview from Microsoft® SQL Server 2008 R2 Unleashed

Developing Managed User-Defined Types (UDTs)

In the preceding section, you used a managed user-defined type (UDT) called RegexPattern to store the regular expression pattern. In this section, you explore how custom UDTs are built and used in SQL Server.

The first thing to note is that although the name UDT is the same as the extended data types built using SQL Server 2000, they are by no means the same in SQL Server 2008. SQL Server 2000’s UDTs were actually retro-named “alias data types” in SQL Server 2005. SQL Server 2008 UDTs are structs (value types) built using the .NET Framework.

To create a UDT of your own, you right-click your Visual Studio project and then select Add, User-Defined Type. Next, you should name both the class and its autogenerated ...

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Publisher Resources

ISBN: 9780768696585Purchase book