Parameter Sensitive Plan Optimization in SQL Server 2022
Learn about a new feature of SQL Server 2022 - Parameter Sensitive Plan Optimization(PSPO)
2025-09-15
1,781 reads
Execution Plans
2025-05-14
606 reads
Plansplaining, part 20. SQL Graph (part 1)
Welcome to part twenty of the plansplaining series. It has been a long time since I last wrote a plansplaining post, partly because of my health, but also for a large part because I was out of ideas. But recently I decided to dig a bit deeper into a feature that was released in SQL Server 2017 and that I had so far not played with: SQL Graph.
2023-12-06
Explore Natively Compiled SQL Server Stored Procedure Execution Plans
In this article, we look at execution plans and performance of a natively compiled stored procedure versus a traditional stored procedure.
2023-10-16
Estimated and Actual Plans Can Have Different Shapes.
Hi Brent, What is your take on Hugo Kornelis’s explanation of execution plan naming. As her his explanation, estimated exec plan is simply an execution plan whereas actual execution plan = execution plan+run-time stats. Do you agree that the naming is flawed and confusing? – Yourbiggestfan
2022-08-31
2022-03-09
539 reads
How to Find the Estimation Cost for a Query
Discover how to estimate the cost of a query. Read on to see an example of how to extract the Estimated Cost for execution plans stored in the procedure cache.
2020-06-23
2020-02-11
863 reads
2020-02-04
929 reads
2018-12-03
953 reads
Blogs
T-SQL Tuesday #198–Change Detection
By Steve Jones
This month we have a new host, Meagan Longoria, who graciously agreed to help...
Redgate and Rome
By Steve Jones
I’m at the UK Redgate office today, meeting with senior leaders in all areas...
Quick Tip: Check Most DTU Expensive Queries in Azure SQL Database
Optimizing Azure SQL Database performance often begins with identifying the most resource-intensive queries. Understanding...
Forums
Creating a JSON Document IV
Comments posted to this topic are about the item Creating a JSON Document IV
Restoring Azure Key Vault Keys and Validating SQL Server TDE Recovery: Level 7 of the Stairway to TDE
By VishnuGupthanSQLPowershellDBA
Comments posted to this topic are about the item Restoring Azure Key Vault Keys...
Permissions Removal When Changing Object Schema
When the schema of an object is changed, SQL Server wipes out the previous...
Question of the Day
Creating a JSON Document IV
I have this data in a table called dbo.NFLTeams
TeamID TeamName City YearEstablished ------ -------- ---- --------------- 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960 5 49ers San Francisco 1946 6 Broncos Denver 1960 7 Seahawks Seattle 1976 8 Patriots New England 1960If I run this code, how many rows are returned?
SELECT YearEstablished, json_objectagg(city : TeamName) FROM dbo.NFLTeams GROUP BY YearEstablished;See possible answers