How to Use Parameters Like a Pro and Boost Performance
Parameters are a fundamental part of T-SQL programming, whether they are used in stored procedures, in dynamic statements or in ad-hoc queries. Although widely used, most people aren't aware of the crucial influence they have on query performance. In fact, wrong use of parameters is one of the common reasons for poor application performance.
In this session we will learn about plan caching and how the query optimizer handles parameters. We will talk about the pros and cons of parameter sniffing as well as about simple vs. forced parameterization. But most important – we will learn how to identify performance problems caused by poor parameter handling, and we will also learn many techniques for solving these problems and boosting your application performance.
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Guy Glantser is the leader of the Israeli SQL Server user group and also the CEO of Madeira SQL Server Services. His career has been focused on SQL Server for the past 17 years, performing various database roles as either an on-site DBA, an external consultant or an instructor. Guy is involved in many activities in the SQL Server community. He occasionally speaks at community events, such as Tech-Ed, product launches and user groups around the world. He also co-hosts the Israeli SQL Server radio show.
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