Learning Performance Tuning

Kendra Little gives some tips on how to gather performance tuning skills:

Start writing queries that demonstrate TSQL anti patterns – and make them slow

You know how people say that the best way to learn something is to teach it?

The best way to learn to speed up queries is to write slow ones.

The best way to get a job speeding up queries is to write a blog about the queries you’ve sped up.

This is a long-term learning process, but is absolutely a worthwhile skill for any database professional.

Related Posts

Performance Testing Simple Scalar UDF Functions

Wayne Sheffield tries out a simple scalar UDF in SQL Server 2019 to see how it performs: I recently published a post detailing the new Scalar UDF Inlining feature in SQL 2019 here. That post introduced the new feature in a way that I used to compare performance to the other function types, continuing the […]

Read More

Performance Troubleshooting Plus Wait Stats

Jeff Mlakar builds up some thoughts on performance troubleshooting, including wait stats: Queries go through the cycle of the SPIDS / worker threads waiting in a series like this. A thread uses the resource e.g. CPU until it needs to yield to another that is waiting. It then moves to an unordered list of threads […]

Read More

Categories

August 2016
MTWTFSS
« Jul Sep »
1234567
891011121314
15161718192021
22232425262728
293031