In Part 1 of this article we looked at a specific use case (probably exaggerated) that gave us an idea about how CPU and IO performance might be affected by a bad page split. We continue this analysis looking at what really happens to the data on the leaf pages of a clustered index with […]
2020-07-02
4,445 reads
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)
10,065 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
6,238 reads
Enhanced version of Index Rebuilt Script originally written by Michelle Ufford, which now includes latest version updates and additional features.
2016-02-17 (first published: 2016-02-04)
1,802 reads
By Steve Jones
This was an interesting thing I saw in a Question of the Day submission....
By Kevin3NF
Don’t Panic! It’s a vague but common complaint, frequently with no additional details. Before...
I thought I didn’t care about linting, and lately, I haven’t written a lot...
Comments posted to this topic are about the item Dynamic T-SQL Script Parameterization Using...
/* I'm trying to eliminate (write out) this function 'largest_date', but SQL Server 2016...
Hi everyone, I’ve been tasked with migrating a Standalone SQL Server instance to a...
What is returned when I run this code in SQL Server 2022?
CREATE TABLE CatIndex
( indexval VARCHAR(20)
)
GO
INSERT dbo.CatIndex (indexval) VALUES ('1'), ('2'), ('3')
GO
SELECT CHOOSE(indexval, cast('2025-01-01' AS DATE), CAST('2025-02-01' AS DATE), CAST('2025-03-01' AS DATE))
FROM dbo.CatIndex AS ci See possible answers