Executing Multiple Threads to Create a Load
Learn a few techniques for executing multiple sets of queries at once.
2016-08-11
6,282 reads
Performance testing
What do you consider important when performance testing?
What data specific considerations do you make when preparing for performance testing?
2014-08-07
251 reads
The Performance of Traversing a SQL Hierarchy
Dwain Camps shows that, depending on the size and characteristics of some hierarchical data, six different methods of traversal can each be the fastest at some point. He illustrates the danger in generalizing from just one set of test data, and that it's foolish to assume that just because SQL code looks neat, it will perform well.
2014-05-14
2,625 reads
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distributed availability group query
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Determining the Updated Columns
Comments posted to this topic are about the item Determining the Updated Columns
Carrots and Sticks
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Question of the Day
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