Edward Haynes

Over 20 years experience in SQL Server development & administration, and creator of "Query Shaping" an innovative SQL query optimisation technique.
Find me on LinkedIn:
https://www.linkedin.com/in/edward-haynes-sql/

SQLServerCentral Article

Query Performance Diagnostics with sp_PerfSQ

This article discusses sp_PerfSQ a diagnostic tool designed to quantify performance features of database queries with active requests. It includes a behavioural parser and can assist in troubleshooting complex performance issues.

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2021-12-24 (first published: )

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Question of the Day

The Internals of Writing a Page

In SQL Server, when the buffer manager write pages to disk, page protection is added to the pages. There are two types of protection: torn page protection and checksum page protection. What happens with regards to concurrency with page protection during writes?

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