Uses For Derived Tables
In this article by Robert Marda, he shows you how to use derived tables to solve some of SQL's problems.
2004-02-06
17,803 reads
Performance Tuning
Dealing With Changing Data
As Chris points out, in most applications these days you end up having to go with optimistic locking, which presents a few challenges. Chris works through the list of options. If you're building web/disconnected apps and need anything besides last update wins, this one is for you.
2003-12-19
9,520 reads
Scaling Out
Kumar discusses the differences between scale up and scale out, then does a very good walk through of how to build a scale out solution.
2003-12-03
7,649 reads
Introduction to ADO Part 2 - Recordsets
Part two in the Introduction to ADO series, this beginner level article shows how to open a recordset, how to add and edit records, and touches lightly on how to select the best cursor type and locking mode. Good code samples help you get started fast!
2003-11-28
16,810 reads
A Methodology for Determining Fill Factors
New Author! Jeff had some questions about fill factors - but no answers! He did some work and came up with a set of recommendations for how and when to set your fill factors to something other than the default.
2003-11-20
10,372 reads
Who Cares about FillFactor?
New Author! The first of two articles this week on fill factors, this article looks at the impact fill factor can have on performance and shows you the key tools and counters you use to assess the impact of changes to fill factor.
2003-11-19
25,972 reads
Troubleshooting Dynamic SQL
Troubleshooting performance problems takes a lot of time and work. This article outlines the process the author uses - pretty interesting.
2003-09-04
7,473 reads
Displaying Execution Plans
Randy starts a multiple part series on tuning queries. We've asked Randy to really start from scratch and walk through the process. This week he takes a look at viewing query plans in Query Analyzer.
2019-11-08 (first published: 2003-08-19)
26,321 reads
Database Server Clash Revisited (Eweek)
This is a follow up article on the database comparison they did about 18 months ago.
2003-07-24
604 reads
Precise/Indepth for SQL Server
This is a performance analysis and tuning application. Visit the site to get to more info, they also have a free book on performance tuning (registration required). (Not reviewed)
2003-06-12
786 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