2024-12-18
1,369 reads
2024-12-18
1,369 reads
2022-07-27
584 reads
The Problem Recently, while working with one of my clients, I came across a script in which I had to introduce a scalar User-Defined Function in the SELECT statement. The SELECT used to return around 750K records. However, after introducing the UDF, the row count significantly increased to 826K. There were no other changes made […]
2019-10-14
5,069 reads
2008-05-20
4,226 reads
This article describes and demonstrates the problem of using asterisk to select all fields from a table within a table function. (from Apr 2008)
2009-09-11 (first published: 2008-04-30)
18,674 reads
This UDF returns a multi column table of values from an input string of comma separated values
2008-06-11 (first published: 2008-04-29)
1,789 reads
2008-02-13 (first published: 2007-12-18)
1,727 reads
In the simplest terms, a user-defined function (UDF) in SQL Server is a programming construct that accepts parameters, does work that typically makes use of the accepted parameters, and returns a type of result. This article will cover two types of UDFs: table-valued and scalar-valued.
2007-12-12
3,922 reads
Calculates the nth due date for any given date, while accounting for weekends.
2012-05-16 (first published: 2007-10-11)
3,742 reads
Computed columns in SQL Server 2000 allow you to have a calculated value available easily in a query. However by using a function instead of a simple formula you can build some very interesting solutions. New author Tim Chapman brings us a look at this technique.
2006-05-09
21,523 reads
By Arun Sirpal
Do you know what happens when you enable zonal redundancy for your SQL managed...
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Why You Shouldn’t Overlook This Quiet but Critical SQL Server Setting If you’ve...
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The PASS Summit goes on tour this year, with the final date the first...
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I've written this code, but it is showing right now as 2 rows per...
I have this table in SQL Server 2022:
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) ) GOIf I check the columns_updated() function return in a trigger, what is the data returned? See possible answers