What is Denormalization?
Chris Kempster brings us a basic look at the database design topic of denormalization.
2003-12-01
17,772 reads
Articles
Lockwood Tech is now ApexSQL!
The name has changed, but the owner and the upgrade policies remain the same! Follow the link to see the press release that explains the name change.
2003-12-01
672 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
16,638 reads
Custom Log Shipping
One of our favorite authors is back with a great how-to on log shipping. This isn't the baked in log shipping, this is a code your own solution that gives you a starting point for your situation. Even if you don't need it now, it's worth looking at to gain a better understanding of how shipping works.
2003-11-26
26,083 reads
Bypassing Triggers
This articles covers a variety of techniques to let you bypass or conditionally execute code in a trigger based on criteria outside of the inserted/deleted tables. It also includes a contest that gives you a chance to win a copy of our book The Best of SQLServerCentral.com 2002!
2003-11-24
12,406 reads
Find Min/Max Values in a Set
New Author! The author tries to port a solution from Oracle and runs into a problem. Agree with the solution?
2003-11-21
11,539 reads
Database Migration Tool
New product designed to help you move from one database platform to another. (Not Reviewed)
2003-11-21
1,260 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
10,208 reads
Brief Tutorial on Text, Ntext, and Image
Joseph has written a couple articles for us and forwarded this link to an article he wrote recently on text type columns. You can see more of his work at http://www.sqlservercentral.com/columnists/jgama/.
2003-11-20
1,940 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
25,830 reads
Blogs
Counting Groups with Window Functions: #SQLNewBlogger
By Steve Jones
I looked at row_number() in a previous post. Now I want to build on...
The query processor ran out of internal resources and could not produce a query plan – When You’ve Managed to Confuse SQL With a Crazy IN Clause.
Recently I received a cry for help over Teams. The issue was that an...
Extending a SQL Server Failover Cluster Across Regions in Google Cloud Platform (GCP)
By davebem
I was the principal author of this SIOS whitepaper, which describes how to build...
Forums
How to determine if a DB is currently being used
Hi - I'm looking for advice regarding the best & quickest way to establish...
Data cleansing/conversion tool HPE
Hello. I am looking for a tool Data cleansing/conversion, was recommended HPE any...
System views in a contained availability group
I have a query that runs in a job to check on orphaned users....
Question of the Day
The LAGging NULL
I have this data in a SQL Server 2022 table:
player yearid team HR Alex Rodriguez 2012 NYY 18 Alex Rodriguez 2013 NYY 7 Alex Rodriguez 2014 NYY NULL Alex Rodriguez 2015 NYY 12 Alex Rodriguez 2016 NYY 9If I run this code, what are the results returned in the hrgrowth column?
SELECT player , yearid , hr , hr - LAG (hr, 1, 0) IGNORE NULLS OVER (ORDER BY yearid) AS hrgrowth FROM dbo.playerstats;See possible answers