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.

4.4 (10)

You rated this post out of 5. Change rating

2021-12-24 (first published: )

11,427 reads

Technical Article

sp_PerfSQ

A diagnostic tool for identifying Performance features of active SQL Queries. It collects performance detail from DMVs for queries with executing requests and is designed to demonstrate and quantify Query Shaping optimisation techniques by: quantifying query workload and throughput characteristics providing behavioural descriptors of potential performance inhibitors - refer column ThrottlePotential The ThrottlePotential column is […]

5 (3)

You rated this post out of 5. Change rating

2019-11-07

4,061 reads

Blogs

T-SQL Tuesday #180: Good enough is perfect Roundup

By

This month, I prompted bloggers to discuss whether good enough is perfect. Thank you to all...

Using SQL Compare with Read-only Access

By

Recently a customer asked if SQL Compare and SQL Data Compare can be used...

Off to Live 360

By

I am off to Live 360 today, on my last trip of the year....

Read the latest Blogs

Forums

Immediate Recap: Pounds 124, Clippers 117

By Emanis

No person would create the situation that a eye-catching video game of basketball was...

NFC Wild Card Breakdown: Cowboys vs. Packers

By Emanis

The Fresh Orleans Saints are shed the playoffs for the 3rd instantly time, which...

how can i tell if our db2 driver is ms or ibm or other?

By stan

i see this in the definition of a linked server on our wh sql...

Visit the forum

Question of the Day

A Strange Result

What does this code return in SSMS 20 from SQL Server 2019?

select '|' + CHAR(0)+'abc' + '|';

See possible answers