Performance tuning

SQLServerCentral Article

Performance Tuning with SQLFacts Tools

  • Article

The need for performance tuning your SQL Server workloads has never been more critical. As workloads are moved into cloud services, their efficiency has a direct impact on the recurring bills. A workload that consumes more resources than necessary costs more to host in the cloud and affects the bottom line for your organization.

(3)

You rated this post out of 5. Change rating

2023-04-07

11,023 reads

SQLServerCentral Article

Optimize Your SQL by Reformulating the Spec

  • Article

As SQL developers, we tend to think of performance tuning in terms of crafting the best table indices, avoiding scalar and table valued functions, and analyzing query plans (among other things). But sometimes going back to the spec and applying some properties of elementary math can be the best way to begin to improve performance of SQL queries which implement mathematical formulas. This article is a case study of how I used this technique to optimize my SQL implementation of the Inverse Simpson Index.

(3)

You rated this post out of 5. Change rating

2021-05-07 (first published: )

5,405 reads

The Basics - Level 1 of the Stairway to Query Store

  • Stairway Step

Introduction Instead of going straight into the topic of the Query Store, I would like to start this Stairway Series by mentioning a few performance tuning scenarios that are very common to production DBAs. I think most of us have been in one of these situations at some time: An application experiencing slowness after a […]

(5)

You rated this post out of 5. Change rating

2020-10-07 (first published: )

6,963 reads

Blogs

Advice I Like: Respect

By

“Don’t aim to have others like you; aim to have them respect you.” –...

Blue Sky Programming – The Optimism Trap

By

Many years ago, before I joined Oracle, I was working on a major modernisation...

Setting Up a Mac for Data Engineering and AI Work

By

If you work with data pipelines, SQL, notebooks, or machine learning models, a Mac...

Read the latest Blogs

Forums

SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About

By Terry Jago

Comments posted to this topic are about the item SQL Art, Part 4: Happy...

Alamat Kantor BCA KCU KUDUS Telp:0817839777

By R4nt4u

WhatsApp: 0817839777 Jl. Jend. Ahmad Yani No.91, Magersari, Panjunan, Kec. Kota Kudus, Kabupaten Kudus,...

Alamat Kantor BCA KCU SEMARANG Telp:0817839777

By layanan_Bca88

WhatsApp: 0817839777 Jl. Pemuda No.90-92, Kembangsari, Kec. Semarang Tengah, Kota Semarang, Jawa Tengah 50133

Visit the forum

Question of the Day

BIT_COUNT I

In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:

UserID  UserPermissions
15
23
37
What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount
from dbo.UserPermission
where UserID = 3;

See possible answers