Performance Tuning Means 3 Things
Brent Ozar discusses performance tuning and how From the outside it looks more complicated than it is, but at the end of the day, it always comes back to just 3 knobs and knowing which ones you can turn.
2020-02-07
Performance and Tuning
A Self-Tuning Fill Factor Technique for SQL Server – Part 2
Introduction Fill Factor is a parameter most of us have ignored because there is no definitive way to calculate what the correct value should be. Part 1 of this series describes a new technique to dynamically determine index fill factors for all indexes within a database. Part 2 covers an analysis of the data collection […]
2019-08-27
3,158 reads
Waits and Queues
This week Steve is wondering if you know how to use waits and queues for troubleshooting.
2019-08-23
364 reads
A Self-Tuning Fill Factor Technique for SQL Server – Part 1
Introduction So what’s all the fuss about Fill Factor? It is a SQL Server parameter I’ve ignored for 20+ years. The main reason was/is I’ve had no idea about what value to use. There is just no documented definitive guidance. Back in April at SQL Saturday #830 - Colorado Springs, I attended two sessions by […]
2019-08-20
6,213 reads
Are your CPU-intensive queries running slowly? Check your VM type.
When you build a VM for SQL Server in Amazon EC2, Azure VMs, or Google Compute Engine, it’s all too easy to overlook the CPU speeds that you’re getting.
2019-05-03
A Brief History of Deadlock and Modern Approach of Resolution
Deadlocks have been constant troublemakers for database professionals for years. They seem to show up from nowhere and keep on happening again and again. Pinal Dave provides some oversight.
2019-04-05
SQL Server Logical Reads – What do they really tell us?
SQL Server trace, the most common tool DBAs use to evaluate query performance, provides the ‘logical reads’ counter on which many DBAs rely for evaluating a query’s I/O performance. In this article, we will examine this counter’s true meaning and provide examples that prove it can sometimes be quite misleading
2019-01-15
3,258 reads
SQL Server Logical Reads – What do they really tell us?
In this article, we will examine this counter’s true meaning and provide examples that prove it can sometimes be quite misleading
2018-12-10
2,593 reads
Automatic Query Performance Tuning in SQL Server Database
In this article Anoop Kumar discusses Automatic Tuning, a new database feature that helps improve SQL Server query performance automatically.
2018-07-10
4,171 reads
SELECT INTO vs INSERT INTO on Columnstore
This article compares SELECT INTO and INSERT INTO under different scenarios, and the best approach preferred.
2016-08-05 (first published: 2015-06-09)
18,113 reads
Blogs
Goal Progress–Feb 2021
By Steve Jones
I set goals at the beginning of the year, and I’m tracking my progress...
How to: exec sp_help on temp tables?
By Will Assaf
Say you have a temp table and you want to see the columns names. For...
Daily Coping 26 Feb 2021
By Steve Jones
I started to add a daily coping tip to the SQLServerCentral newsletter and to...
Forums
Better query to get count based on column value
I am using SQL server 2008 R2 express edition. Out of below 3 method...
Why are DBAs not paid for knowledge and other IT Professionals are?
DBAs are being asked to know everything for 6 figures which cap out for...
Common Table Expression Misunderstandings
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