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
In this article, we look at execution plans and performance of a natively compiled stored procedure versus a traditional stored procedure.
2023-10-16
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
488 reads
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
840 reads
2020-02-04
903 reads
2018-12-03
931 reads
One of the most important tools for query tuning is ability to view execution plans. They are even portable; you can send an execution plan to get advice from someone who doesn't have access to the underlying data. Have you even considered that sensitive information might travel along with the plans? Hugo Kornelis explains how execution plans affect data protection.
2018-04-30
3,411 reads
By looking at a query execution plan, you can determine which steps are used to resolve the query. But what if you just want to find out what the query plans are for only the queries that are currently running?
2018-04-20
4,126 reads
By DataOnWheels
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Our environment runs using SQL Server Standard. We are implementing Availability groups. Our database has been experiencing high read volumes, so I want to let the application read the Synchronized Secondary replica, as I read that HADR does this. Can we implement this?
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