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
Recently I was installing SQL Server 2017 and I could not believe a simple installation took up my whole day. I was installing an instance on one newly built Windows 2012 R2 server. After clicking next a few times, I got an error: a rule failure, for KB2919355. I downloaded the KB2919355 as mentioned in […]
2020-09-14
8,400 reads
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
Learn how to correct an error that is overloading SCOM by fixing an SPN.
2020-09-10
8,201 reads
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
Reading tutorials is fine. Shipping something is better. If you are trying to break...
By Steve Jones
We work hard at Redgate, though with a good work-life balance. One interesting observation...
By Arun Sirpal
Fourth in a series on Ai and databases. What Read-Only Advisory Actually Means A...
Comments posted to this topic are about the item Liability for AI Errors
Hello , I would like to run a stored procedure on a secondary replica...
Comments posted to this topic are about the item Pro SQL Server Internals
I run this command to start SQLCMD:
sqlcmd -S localhost -E -c "proceed"At the prompt, I type this (the 1> and 2> are prompts):
1> select @@version 2> goWhat happens? See possible answers