2026-01-23
436 reads
Fragmentation
2025-09-17
1,714 reads
SQL Server Fragmentation Impact with Modern Hardware
Read this article to find out if you still need to worry about SQL Server index fragmentation with modern hardware.
2023-11-03
[Video] Fragmentation Explained in 20 Minutes at SQLBits
What does fragmentation mean? How does it happen? Can you fix it with fill factor? Should you rebuild your indexes to fix it?
2022-09-26
Index fragmentation on all databases
The script returns all the fragmented indexes on all databases on the instance you run it. Can be run on multiple instances in the same time using central management capability.
2021-07-12 (first published: 2021-07-06)
4,284 reads
Defrag All Indexes On a Database
Script to list out all fragmented indexes for a given database, with options to only view them, reorganize them, or rebuild them in one fell swoop.
2012-05-25 (first published: 2012-05-15)
3,320 reads
The Real World: Fragmented Disk and High PAGEIOLATCH Waits
This article decribes how defragementing a 900 GB drive assisted in addressing major performance issues on a reporting server.
2012-04-20
6,609 reads
No Significant Fragmentation? Look Closer…
If you are relying on using 'best-practice' percentage-based thresholds when you are creating an index maintenance plan for a SQL Server that checks the fragmentation in your pages, you may miss occasional 'edge' conditions on larger tables that will cause severe degradation in performance. It is worth being aware of patterns of data access in particular tables when judging the best threshold figure to use.
2012-03-14
3,229 reads
Analyze and Fix Index Fragmentation in SQL Server 2008
This article describes how an index gets fragmented and the steps which a DBA can take to fix index fragmentation
2008-12-11
2,876 reads
2008 Index Fragmentation Maintenance
Just a stab at automating index maintainenance in SQL Server 2008
2013-01-11 (first published: 2008-11-07)
2,764 reads
Blogs
A Last Minute Trip to the EU
By Steve Jones
My life has some crazy travel stretches for sure. Between speaking, office visits, customer...
Part 3 of 3: Tuning DiskANN — R, Alpha, L, Beam Width, Recall and Latency
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Automated SQL Server Benchmarking with HammerDB and Docker: A Complete Testing Framework
I’m excited to announce the release of a new open-source project that fully automates...
Forums
Server-Level Table sizes
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Optional Parameter Plan Optimization in SQL Server 2025: Fixing the Kitchen-Sink Search Procedure
Comments posted to this topic are about the item Optional Parameter Plan Optimization in...
Question of the Day
ORDER BY alias
There is a table tmp_tab:
CREATE TABLE tmp_tab ( id int, val int );
INSERT INTO tmp_tab VALUES (1, 1), (2, NULL), (3, 3), (4, 4), (5, 5);You want to order the rows ids by the following expression:
ISNULL(val, id) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers