Did you ever get woken up at night from a call from a user screaming about poor query performance, but didn’t really know how to begin attack the problem? In this session, we will explore the basics of execution plan analysis and how to single out issues that pertain to base table operations.
In this presentation, we will identify what indexes are being used by the SQL Optimizer, the different type of index operations that are performed by SQL Server and which operations are generally considered the preferred method of data retrieval. We will discuss how to determine if the indexes used by the Optimizer are optimal, according to best practices, and the exceptions to those cases. Finally, we will cover the relationships between different types of index operations and joins within SQL Server, including how the SQL Optimizer determines which join type it will use, along with the pros and cons of each join operation
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