Should Optimistic Be The Default Isolation Level?
Two Words Alright, I’ve lied to you already. There are way more than two words involved, here. I recently had…
2019-05-15
Database Performance
Queries with RECOMPILE and Query Store
Last week in our IEPTO2 class I was asked about queries with RECOMPILE and Query Store. Specifically: Do queries that have the OPTION (RECOMIPLE) hint go into Query...
2019-05-14
SQL Server 2017: here a NUMA, there a NUMA...
The first unexpected behavior is one that may already be familiar to many. [Max server memory] is not as often a maximum for SQL Server [total] memory as it...
2019-05-14
SQL SERVER – Get Last Known Actual Execution Plan for a Previously Cached Query Plan
This feature works with SQL Server 2019 and onwards. If you are using an earlier version of SQL Server this feature will not work and will give you an...
2019-05-11
How to load test a SQL database
How do you know whether a database code change is going to be great, okay or awful? If you want to test a new version of SQL Server how...
The...
2019-05-08
The Only Thing Worse Than Optional Parameters…
Kitchen Stink A lot has been written about “kitchen sink” queries. A couple of my favorites are by Aaron Bertrand…
2019-05-07
Introduction to Wait Statistics
Paul Randal provides a detailed introduction to troubleshooting SQL Server workload performance using wait statistics.
The post Introduction to Wait Statistics appeared first on SQLPerformance.com.
2019-05-07
Query Store, Plan Forcing and Table Variables
This weekend I was in Stockholm in Sweden, talking Query Store and plan forcing with Steinar Anderson, when he mentioned the problems he had while forcing plans that had...
The...
2019-05-06
SQL Server Monitoring Week – SQL Plan Warnings
Today I begin a week-long series where I will be discussing various SQL Server Monitoring Tools. My primary job is to help people with my consulting workshop Comprehensive Database...
2019-04-26
Why Plan Cache Scripts Can Be Misleading
A Long Way From Home Most scripts (even ones I’ve worked on!) that look at the plan cache, have had…
2019-04-26
Blogs
My 2024 in Data: Music
By Steve Jones
This is my last week of the year working (I guess I come back...
A New Word: Suente
By Steve Jones
suente– n. the state of being so familiar with someone that you can be...
Side Projects
Anyone (everyone?) who has ever tried to learn a programming language knows that to...
Forums
Timeout Error while executing a TSQL statement in Sql server Express Edition
I am getting the below error when I execute a SQL command in SQL...
Timeout Error while executing a TSQL statement in Sql server Express Edition
I am getting the below error when I execute a SQL command in SQL...
Sql script replace and rearrange numbers
Hi everyone. I have this table and this information. (left side of the image)...