User Defined Function (UDF)

SQLServerCentral Article

Tokenizing a String Using PARSENAME

  • Article

SQL Server string manipulation using T-SQL leaves lots to be desired. Many postings and complaints about T-SQL deal with strings, but there are ways to work with it. Author Eli Leiba brings us a way to split out portions of a string that contains tokens with a user defined function. Read on to see how this is accomplished and the code used to perform the splitting.

(1)

You rated this post out of 5. Change rating

2004-12-27

12,127 reads

SQLServerCentral Article

UDF as Computed Column

  • Article

UDF's are useful if somewhat tricky. Dinesh uses a common scenario where you have a self referencing table (the common example is an employees table where each employee has a managerid that links to another employee in the same table) to illustrate how a UDF can make querying easier, how to use it as the basis of a computed column, and how to index that column.

(2)

You rated this post out of 5. Change rating

2003-06-18

12,283 reads

Blogs

Advice I Like: Art

By

Superheroes and saints never make art. Only imperfect beings can make art because art...

Why Optimize CPU for RDS SQL Server is a game changer

By

One feature that I have been waiting for years! The new announcement around optimize...

Performance tuning KubeVirt for SQL Server

By

Following on from my last post about Getting Started With KubeVirt & SQL Server,...

Read the latest Blogs

Forums

Think LSNs Are Unique? Think Again - Preventing Data Loss in CDC ETL

By utsav

Comments posted to this topic are about the item Think LSNs Are Unique? Think...

A Big PK

By Steve Jones - SSC Editor

Comments posted to this topic are about the item A Big PK

The AI Bubble and the Weak Foundation Beam

By dbakevlar

Comments posted to this topic are about the item The AI Bubble and the...

Visit the forum

Question of the Day

A Big PK

In SQL Server 2025, how many columns can be included in a Primary  Key constraint?

See possible answers