2012-02-02 (first published: 2012-01-20)
3,923 reads
Performance Tuning
Performance Monitoring with Dynamic Management Views
In this article, Ron Johnson shows how you can use DMVs for proactive real-time SQL Server performance monitoring.
2011-11-17
13,562 reads
A Performance Troubleshooting Methodology for SQL Server
When healing a sick SQL Server, you must forget the idea that there could ever be a simple correspondence between symptom and disease: The art of troubleshooting is much more the art of discovering, and assembling, the various pieces of the puzzle so that you have a complete understanding of what is going on inside of a server.
2011-10-10
6,098 reads
Speeding up database access - part 4 Fixing expensive queries
Part 4 of a series from Matt Perdeck on speeding up your database access. This is a great series for developers. This is based on the book ASP.NET Site Performance Secrets.
2011-08-30
10,468 reads
System Monitor (Perfmon) Counters for SQL Server 2005
Capturing performance monitor counters is of great value to understand how SQL Server is behaving at a macro level, that being how overall resources are being used within the engine. Without this data it is difficult to determine where the performance issues are occurring. Capturing the metrics has been traditionally from Performance Monitor either on an ad-hoc basis or setting up a log to capture the values on a predefined basis.
2011-07-27
3,187 reads
Speeding up database access Part 2 - Pinpointing Other Bottlenecks
Part 2 of a series from Matt Perdeck on speeding up your database access. This is a great series for developers. This is based on the book ASP.NET Site Performance Secrets.
2011-07-26
12,455 reads
Email Long Running SPID Info
This script will email info about the longest running SPID in an HTML formatted table
2011-07-07 (first published: 2011-06-27)
2,207 reads
2011-05-19
2,697 reads
Top 10 SQL Server Counters for Monitoring SQL Server Performance
Greg Larsen lists his top 10 SQL Server counters for maintaining database performance.
2011-05-12
7,210 reads
2011-05-09
2,600 reads
Blogs
Why sys.fn_dblog Is Undocumented And Why It's Still There
By SQLPals
Why sys.fn_dblog Is Undocumented And Why It's Still There Why sys.fn_dblog...
T-SQL Tuesday #202 SQL Server Outage You’ll Never Forget: A Roundup
When I put together the invitation for T-SQL Tuesday #202, I wasn't sure what...
A Last Minute Trip to the EU
By Steve Jones
My life has some crazy travel stretches for sure. Between speaking, office visits, customer...
Forums
Implementing Type 4 Slowly Changing Dimensions in SQL Server
Comments posted to this topic are about the item Implementing Type 4 Slowly Changing...
The Disabled Index
Comments posted to this topic are about the item The Disabled Index
Server-Level Table sizes
Comments posted to this topic are about the item Server-Level Table sizes
Question of the Day
The Disabled Index
I run this code on SQL Server 2022.
CREATE TABLE Drink
(
drinkid INT NOT NULL
CONSTRAINT DrinkPK PRIMARY KEY CLUSTERED,
drinkname VARCHAR(20),
rating NUMERIC(2, 1)
)
GO
INSERT INTO Drink
(
drinkid,
drinkname,
rating
)
VALUES
(1, 'Margarita', 4.5),
(2, 'Mojito', 4.3),
(3, 'Old Fashioned', 4.7),
(4, 'Martini', 4.4),
(5, 'Cosmopolitan', 4.2)
GO
ALTER INDEX drinkpk ON dbo.drink DISABLE
GO
SELECT * FROM dbo.Drink
GO
What is the result? See possible answers