Greg Larsen

20 September 2010

Parameter Sniffing

If a SQL query has parameters, SQL Server creates an execution plan tailored to them to improve performance, via a process called 'parameter sniffing'. This plan is stored and reused since it is usually the best execution plan. Just occasionally, it isn't, and you can then hit performance problems, as Greg Larsen explains.… Read more
16 April 2010

Deploying Reports using the ReportingServices2005 Class and the RS Utility

Much of the routine administration of Reporting Services (SSRS), such as the routine deployment of RDL reports, can be automated by using the Reporting Service 2005 class library and web services. To make things easier, Microsoft supply the RS utility to run Visual Basic code as a script. It is an intriguing system, with a lot of potential, as Greg Larsen explains.… Read more

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