This article isn’t about the act of lock escalation itself, which is already well documented and generally well understood. Some myths (like row locks escalating to page locks) persist, but challenging those yet again probably wouldn’t change much.
2022-09-19
SQL Server provides information for troubleshooting performance. Ed Pollack demonstrates collecting SQL Server performance monitor data.
2021-08-11
Another quick post of simple changes you can make to your code to create more optimal execution plans. This one is on implicit conversions. An implicit conversion is when...
The...
2019-04-17
Years ago, my first go-to tool for performance tuning was Performance Monitor: it was available everywhere, worked in all versions, and gave me a lot of useful information without paying for a monitoring tool. Since then, I’ve moved on – wait stats are a much better starting point – but there are still 3 good Perfmon counters that I rely on.
2019-02-13
2,442 reads
By Brian Kelley
If you're not having success in convincing your organization to send you to this...
By Rohit Garg
When deploying SQL Server in enterprise environments, choosing the right service account model is...
By Brian Kelley
There are always bad actors who will seek to get access to and, likely,...
We have recently upgraded from SQL Server 2016 to 2022 Standard Edition. Our nightly...
Not sure if this is my misunderstanding or an error in my process: Create...
Comments posted to this topic are about the item Determining the Updated Columns
I am creating a trigger in SQL Server 2022 and want to detect a change in a table. Here is my table DDL:
CREATE TABLE CustomerLarge ( CustomerID INT NOT NULL IDENTITY(1,1) CONSTRAINT CustomerLargePK PRIMARY KEY CLUSTERED , CustomerName VARCHAR(20) , CustomerContactFirstName VARCHAR(40) , CustomerContactLastName VARCHAR(40) , Address VARCHAR(20) , Address2 VARCHAR(20) , City VARCHAR(20) , CountryCode CHAR(3) , Postal VARCHAR(20) , creditlimit INT , discount numeric(4,2) , lastorderdate DATETIME , lastorderamount NUMERIC(10,2) , lastordercontact VARCHAR(20) , created DATETIME , modified DATETIME , modifiedby VARCHAR(20) , statusid INT , active BIT , customersize INT , primarysalesid INT) GOIf I want to detect that the creditlimit was updated, what IF statements should I use? See possible answers