Celko's Summer SQL Stumpers: Prime numbers
Our first Stumper sees Joe Celko providing a conundrum with a prize for anyone who can come up with a better solution than he can.
2009-07-27
3,229 reads
T-SQL
T-SQL Best Practices
This article, the first in a series, discusses T-SQL coding best practices. Join Greg Larsen as he explains how to write queries to optimize SQL Server resources and improve performance.
2009-07-24
8,966 reads
2009-07-22
4,139 reads
Intersect, Except, Union, All and Any
Longtime author and expert DBA David Poole examines a few T-SQL commands that he has never used. Learn how some of these little used T-SQL items function and see if they work for you.
2011-12-23 (first published: 2009-07-20)
40,542 reads
2009-07-17
4,465 reads
Top five tips for SQL Server developers
Check out these handy database development best practices, with tips on dealing with batch updates, stored procedures and more.
2009-07-14
7,765 reads
2009-07-10
4,651 reads
2009-07-09
4,600 reads
Limit Groups by Number Using Transact-SQL or MS Access
You can easily limit or group a recordset, but doing both to the same recordset takes a bit of hand coding. Find out how both SQL Server and MS Access can handle the task.
2009-07-07
2,354 reads
10+ tips for working smarter with SQL
The sharper your SQL skills become, the more robust and error-free your solutions will be. Here are a dozen practical tips to get you started
2009-07-07
7,621 reads
Blogs
Identity Columns Can’t Be Updated: #SQLNewBlogger
By Steve Jones
I’m not sure I knew identity column values could not be updated. I ran...
Rolling Back a Broken Release
By Steve Jones
We had an interesting discussion about deployments in databases and how you go forward...
A bespoke reporting solution doesn’t have to cost the earth
By ChrisJenkins
You could be tolerating limited reporting because there isn’t an off the shelf solution...
Forums
Can someone please explain what happens?
I have mentioned this several times over several years. Can someone please help me...
SELECT COUNT(DISTINCT) returns null when nothing is found instead of 0
SELECT COUNT(DISTINCT Component) AS Found FROM tblComponents WHERE(Component NOT LIKE '%[a-z]%') AND(LTRIM(RTRIM(Component)) = 'GM13622')...
Remotely Engineer Fabric Lakehouse objects: The Fabric Modern Data Platform
Comments posted to this topic are about the item Remotely Engineer Fabric Lakehouse objects:...
Question of the Day
Creating JSON III
In a SQL Server 2025 table, called Beer, I have this data:
BeerIDBeerName 1Becks 2Fat Tire 3Mac n Jacks 4Alaskan Amber 8KirinI run this code:
SELECT JSON_OBJECTAGG(
BeerID: BeerName )
FROM beer;
What are the results? See possible answers