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

12,203 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

12,300 reads

Blogs

Stanford Emerging Technology Review 2026 Report is out

By

Artificial Intelligence and quantum computing are two areas of emerging technology that receive most...

How I Troubleshoot a Slow SQL Server Live

By

No two SQL Server environments are alike. A fix that resolves a performance issue...

T-SQL Tuesday #201 Invitation: Temp Tables, Friend or Foe?

By

My T-SQL Tuesday #201 invitation. Do temp tables help performance or hurt it? I...

Read the latest Blogs

Forums

Are You Working More Hours?

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Are You Working More Hours?

A Limited Startup

By Steve Jones - SSC Editor

Comments posted to this topic are about the item A Limited Startup

T-SQL in SQL Server 2025: REGEXP_LIKE

By Steve Jones - SSC Editor

Comments posted to this topic are about the item T-SQL in SQL Server 2025:...

Visit the forum

Question of the Day

A Limited Startup

I add this parameter to SQL Server 2025 in the Configuration Manager:

-mDynamics
What does this do?

See possible answers