What's the true and permanent cost of lowering the Fill Factor of an index in SQL Server? It's a lot more than many people think. 9 year SQL Server MVP veteran, Jeff Moden, demonstrates how to calculate the extra space that will be used by lowering the Fill Factor and saved by increasing it.
2021-05-28 (first published: 2019-09-03)
10,070 reads
With origins from the world of “Submarine ‘Dolphin’ Qualification” questions, an “Oolie” is a difficult question to answer, or the knowledge or fact needed to answer such a question, that may or may not pertain to one's duties but tests one's knowledge of a system or process to the limit. Introduction Contrary to what many […]
2019-08-08
6,251 reads
Revisiting his very popular article on the running total and ordinal rank problems, MVP Jeff Moden brings us a detailed analysis of how you might want to implement a solution in T-SQL.
2019-05-22 (first published: 2009-11-10)
47,553 reads
Fill in another bit of your T-SQL knowledge about STR(). It right justifies, rounds, and controls the output width of columns. Sounds perfect but here's why you might not want to use it.
2019-04-26 (first published: 2010-12-15)
16,364 reads
Fill in another bit of your T-SQL knowledge by learning how to quickly group ranges of contiguous dates without RBAR.
2019-04-19 (first published: 2010-12-07)
27,788 reads
Fill in another bit of your T-SQL knowledge by learning how to sort a result set by the proper month order, but use the month name instead.
2019-04-12 (first published: 2010-11-15)
24,427 reads
He admits it wasn't his idea but his head sure wishes it was. SQL Server MVP Jeff Moden explains a wonderful, super simple, very high performance formula that will calculate ISO Week Numbers. If you're "stuck" with SQL Server 2005 or less, you're going to like this a whole lot!
2015-10-23 (first published: 2013-04-08)
37,656 reads
It's an old problem with a solution that's nearly as old. SQL Server MVP Jeff Moden shows us the old trick mixed with a slick trick to format the duration as extended hours, minutes, seconds, and milliseconds.
2015-04-03 (first published: 2014-01-16)
62,023 reads
SQL Server MVP Jeff Moden shows us a new very high performance method to convert an "Adjacency List" to “Nested Sets” on a million node hierarchy in less than a minute and 100,000 nodes in just seconds. Not surprisingly, the "steroids" come in a bottle labeled "Tally Table".
2014-09-19 (first published: 2012-11-13)
41,208 reads
It's a well known fact that Scalar UDFs are the stuff of performance nightmares in T-SQL. But are they really as bad as they say? SQL Server MVP Jeff Moden shows us that they might not really be as big a problem as you might think and what you can do when they actually are.
2014-06-24 (first published: 2012-08-01)
26,938 reads
By Kevin3NF
Does skipping a DBA save money? Wait until your system grinds to a halt,...
By Brian Kelley
I admit that until I read the article, Who are you as a Leader?,...
Suppose you want to call a certain Microsoft Fabric REST API endpoint from Azure...
Good morning to all. I am a novice when it comes to SQL so...
Hi all, In my company we have many databases encrypted with TDE and there...
Comments posted to this topic are about the item Create Raw Zone Tables using...
What is returned from this code in SQL Server 2022?
DECLARE @value INT = NULL , @value2 VARCHAR(20) = NULL; SELECT COALESCE (@value, @value2, 100.5) AS Result; GOSee possible answers