Companies use a Bell Curve approach to measure performance. As part of this approach they create a histogram. A histogram is a statistical concept and according to Wikipedia it is defined as a graphical distribution of the numerical data. A histogram is made of several bins and bins can be considered a range of values or a benchmark
2020-09-16
Phil Factor explains how SQL Monitor helps focus performance tuning efforts on the tables and queries where 'rogue indexes' might be a significant problem, and then how to identify both 'missing' indexes that might be beneficial to the overall workload, and those that are unused or duplicated, and so are doing more harm than good.
2020-09-16
In this article we add another module to the PowerShell monitoring process to capture wait stats for all monitored SQL Server instances.
2020-09-15
Discover the future of DevOps! Join Microsoft MVP Kendra Little to see Redgate's recent innovations in action and give you a picture of where Database DevOps is going, and why.
2020-09-14
Robert Sheldon wraps up his series on storage by discussing the latest storage innovation and ideas.
2020-09-14
Every once in awhile a table gets created without a primary key and duplicate records get entered. The problem gets even worse when you have two identical rows in the table and there is no way to distinguish between the two rows. So how do you delete the duplicate record?
2020-09-11
When you're developing a database, the pressure is on to get something that works, using an efficient algorithm. When you are getting close to a release candidate, however, there are some programming habits that must be removed from the code, because they can cause unexpected performance problems. In this article, you'll learn how to detect and remove one such problem: reliance on implicit datatype conversions in your queries. We'll use a combination of plan cache queries, extended events, and SQL Monitor.
2020-09-11
Containers have already transformed the way application development works, but adoption has been slower for databases. Finally, the revolution is beginning. In this post, Kendra Little shares the two ways in which containers will dramatically change the way teams develop and deploy database changes.
2020-09-10
Do table variables and variables respect transactions? If we set the value of a variable during a transaction, and we roll it back, what happens?
2020-09-09
Join Microsoft MVP Kendra Little to discover how you can fully left-shift your deployments with version control and automatic cloning using Redgate's latest innovations.
2020-09-08
By Steve Jones
Prompt AI released recently and I decided to try a few things with the...
By Kevin3NF
How should you respond when you get the dreaded Email/Slack/Text/DriveBy from someone yelling at...
By gbargsley
Recently, I was in a technical interview where the topic of running PowerShell at...
i have sqlexpress on rds, is there any way i can get notifacation that...
Comments posted to this topic are about the item SQL Server, Heaps and Fragmentation
Comments posted to this topic are about the item Stairway to Azure SQL Hyperscale...
A table without a clustered index (heap) will NOT suffer from fragmentation during frequent updates or deletes. True or False?
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