The way in which SQL Server chooses to join your tables in a query can dramatically affect performance. In this article, Jason Brimhall explains how a hash match works and shows some performance numbers.
2016-05-13 (first published: 2014-03-04)
22,745 reads
The second Tuesday of April 2016 is now upon us and you know what that means. Well, I hope you know...
2016-04-13
778 reads
There are a lot of cool features in SQL Server that ROCK! It is really hard to pick just one with so many cool features that can make life...
2016-04-13
7 reads
Many moons ago, I posted a script to help report on the human friendly scheduling information for SSRS subscriptions. You...
2016-04-12 (first published: 2016-03-29)
2,615 reads
Prelude in SQL Minor
Back in late December of 2015, a challenge of sorts was issued by Tim Ford (twitter) to...
2016-04-02
723 reads
Of all the fundamental concepts within SQL Server, nothing is potentially more basic and fundamental than the often overlooked Select statement.
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Changing Default Logs Directory - Back to Basics...
2016-04-02
10 reads
SQL Agent job schedules should be easy to read for humans if for nothing else than the fact that you have to provide this information to the auditors from...
2016-03-29
6 reads
Working diligently as any good DBA might, you have established maintenance routines for each of the SQL Servers under your purview. Then a small problem occurs: Index Cannot Be...
2016-03-16
25 reads
Working diligently as any good DBA might, you have established maintenance routines for each of the SQL Servers under your...
2016-03-16
536 reads
Long Time Coming
With less than a week before the Richmond SQLSaturday event, I am finally getting this post done – maybe.
This...
2016-03-11
517 reads
Slow-running queries can degrade your Redshift cluster’s performance and lead to increased costs. Identifying...
By gbargsley
If you've been here before, you know this blog is usually about SQL Server,...
I’ve been doing storage load tests for SQL Server for a long time, both...
Comments posted to this topic are about the item How Long is a Long...
Comments posted to this topic are about the item T-SQL Trigonometric Functions in SQL...
Comments posted to this topic are about the item Half of All Engineers
In SQL Server 2025, a long I/O is recorded in the error log with message 833. How long much an I/O request be outstanding before this message is written to the log?
See possible answers