Performance testing

External Article

The Performance of Traversing a SQL Hierarchy

  • Article

Dwain Camps shows that, depending on the size and characteristics of some hierarchical data, six different methods of traversal can each be the fastest at some point. He illustrates the danger in generalizing from just one set of test data, and that it's foolish to assume that just because SQL code looks neat, it will perform well.

2014-05-14

2,625 reads

Blogs

T-SQL Tuesday #203: Risk and Reward

By

This is timely, as I’m currently on a boat in the Adriatic taking a...

dataMinds Connect 2026 – Slides & Scripts

By

You can find the slides and SQL scripts for my session “Spice up your...

How to Clear the SSMS Cache (SSMS 21 and Later)

By

How to Clear the SSMS Cache (SSMS 21 and Later) Updated...

Read the latest Blogs

Forums

Risk Vs Reward, The never ending ROI discussion.

By Pat Wright

Comments posted to this topic are about the item Risk Vs Reward, The never...

Trigger isn't working

By mballentine

Hi, I have a trigger, that works fine elsewhere but is not working at...

I Struggle

By Grant Fritchey

Comments posted to this topic are about the item I Struggle

Visit the forum

Question of the Day

Hyperscale Replicas IV

In Azure SQL Database Hyperscale Edition, how many geo-replicas can be created?

See possible answers