This article discusses sp_PerfSQ a diagnostic tool designed to quantify performance features of database queries with active requests. It includes a behavioural parser and can assist in troubleshooting complex performance issues.
2021-12-24 (first published: 2019-12-02)
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2020-03-03 (first published: 2019-11-25)
10,697 reads
A forum question came up a few days ago regarding an abnormally large procedural cache. In an attempt to help out, I threw together a few ideas (some wrong, some right) and started looking at the types of query that were in the cache. A lot of the queries were in the format select * […]
2019-11-11
4,800 reads
2019-10-28
7,217 reads
2019-06-10
1,100 reads
Batch Cussidy In the last post, we looked at how S...
2019-05-24
2019-05-24
2019-05-22
Watch this week’s episode on YouTube. SQL Server...
2019-05-22
Footnote I have two queries. They return the same number of rows. The only difference is one column in the…
2019-05-20
By Steve Jones
In a previous post, I deployed a model to a database using SQL Compare...
By SQLPals
Reality (And Limits) of Instant File Initialization for Transaction Logs in SQL Server 2022 ...
By Steve Jones
Last week I spent a few days in Cambridge, UK for the Redgate Company...
Comments posted to this topic are about the item Adding and Dropping Columns II
Comments posted to this topic are about the item Leveraging DuckDB for OLAP Workloads:...
Comments posted to this topic are about the item More Documentation is Needed
I have this table in my SQL Server 2022 database:
CREATE TABLE [dbo].[CityList] ( [CityNameID] [int] NOT NULL IDENTITY(1, 1), [CityName] [varchar] (30) , [Country2] [char] (3), [stateprovince2] [char] (2), [Country] [char] (3), [stateprovince] [char] ) ON [PRIMARY] GOI decide to drop the stateprovince2 and country2 columns. What code should I use? See possible answers
