2024-01-10
509 reads
2024-01-10
509 reads
Introduction Fill Factor is a parameter most of us have ignored because there is no definitive way to calculate what the correct value should be. Part 1 of this series describes a new technique to dynamically determine index fill factors for all indexes within a database. Part 2 covers an analysis of the data collection […]
2019-08-27
3,758 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
6,131 reads
In which SQL Server stubbornly insists on doing key lookups way, way past the tipping point.
2019-01-04
2,905 reads
When databases are being designed and developed, your developers might have overlooked creating clustered indexes on some of your database tables. Having a useful clustered index on your tables will improve the performance of your queries. Here Greg Larsen shows a simple script to identify those tables in your database that don’t have a clustered index.
2018-05-29
4,777 reads
We’ve blogged a couple times about how clustered index key columns get stored in your nonclustered indexes.
But where they get stored is a matter of weird SQL trivia. You see, it depends on how you define your nonclustered index.
2018-05-25
3,638 reads
Aaron Bertrand kicks off his "Performance Myths" series, showing a "redundant" non-clustered index outperforming the clustered index with the same key.
2017-04-17
5,314 reads
2015-08-06
1,974 reads
Get the list of the tables on the server which dont have the clustered index.
2014-02-24 (first published: 2014-02-17)
1,366 reads
SQL Server Clustered indexes can have enormous implications for performance of operations on a table. But are there times when a SQL Server non-clustered index would perform better than a clustered index for the same operation? Are there any trade-offs to consider? Check out this tip to learn more.
2013-10-10
6,323 reads
By Steve Jones
vicarous – adj. curious to know what someone else would do if they were...
Say we have a database that we want to migrate a copy of into...
We are trying to get apps and users off of using SQL accounts to...
Hi I have this view to check if a job is running: SELECT...
All, if you are like me and do not care for the built-in color...
Certain internal SQL Server actions cause internal checkpoints. Which of these actions does not cause an internal checkpoint?
See possible answers