Tally Table

Technical Article

Create a Tally Function (fnTally)

  • Script

Many people have published high performance, read-less, Inline Table Valued functions that use Itzik Ben-Gan's wonderful "Virtual Numbers Table" to replace WHILE loops and other forms of RBAR. This one is Jeff Moden's version.

(7)

You rated this post out of 5. Change rating

2019-08-13 (first published: )

7,661 reads

SQLServerCentral Article

Tally OH! An Improved SQL 8K “CSV Splitter” Function

  • Article

The Tally Table has proven to be a simple and elegant method for avoiding many varieties of RBAR. Unfortunately, one of its more common uses, that of a CSV splitter, has a well-known and serious performance problem. MVP Jeff Moden shows us what that problem is and how to correct it. (UPDATED with additional info and attachments on 5/12/2011).

(189)

You rated this post out of 5. Change rating

2012-12-28 (first published: )

140,913 reads

Blogs

PASS Data Community Summit 2025 Slides and Code

By

Thank you for attending my PASS Summit 2025 session Answering the Auditor’s Call with...

Tech Conferences and Expanding Your View

By

Tech conferences aren't just for networking and learning how to address a problem you're...

Managing subscribers, creating newsletters

By

When I created the website on WordPress, I was expecting all the features I...

Read the latest Blogs

Forums

Getting the Schema for Tables

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Getting the Schema for Tables

An Unexciting Exciting Release

By Steve Jones - SSC Editor

Comments posted to this topic are about the item An Unexciting Exciting Release

UNLOGGED Tables in PostgreSQL: When Speed Matters More Than Durability

By Chandan Shukla

Comments posted to this topic are about the item UNLOGGED Tables in PostgreSQL: When...

Visit the forum

Question of the Day

Getting the Schema for Tables

What happens when I run this on SQL Server 2022 in the AdventureWorks2022 database?

SELECT OBJECT_DEFINITION (OBJECT_ID(N'Person.Person')) AS [Object Definition]; 
GO 

See possible answers