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  SQL Server Tips by Gama and Naughter

SQL Server 2005 and extended stored procedures

With the integration of the .NET framework 2.0 in SQL Server 2005, stored procedures and user-defined functions can be created in VB.NET or C#. This is a powerful new addition from a developer’s perspective and it will be very useful. However, there is a time and a place for using each technology properly. A stored procedure that uses mostly set based operations should be coded in TSQL. If it calls a user-defined function with some slow calculations, then the function should be in .NET code or an XP (for maximum performance, to access external libraries, use functionality that the .NET framework Base Class Libraries are missing, etc).

SQL Server 2005 can use the same XP's as SQL Server 2000, which is great because the code developed today will also run when upgrading in the future. In fact all of the major XP’s we present in the book have been tested on SQL Server 2005 in addition to SQL Server 2000. The latest version available to the authors at the time of writing was the December 2004 Community Technology Preview and that is what was used for the testing. The only unusual issues discovered was with XP_IPCONFIG, which is described in Chapter 20. The issue seems to be a bug in the new client programs, which are provided as a replacement for the venerable Query Analyzer. These new utilities, namely “SQL Server Management Studio” and “SQL Server Express Manager” report spurious errors when an XP is run which returns multiple recordsets. If Query Analyzer is used to run the exact same query against SQL Server 2005, no problems occur. Hopefully these kinds of issues will be ironed out before the final release of SQL Server 2005.

The above book excerpt is from:

Super SQL Server Systems
Turbocharge Database Performance with C++ External Procedures

ISBN: 0-9761573-2-2
Joseph Gama, P. J. Naughter  


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