Technical Article

SQLStackEngine - simulate a character stack

SQLStackEngine - simulate a character stack using a string.  This script was developed specifically to support the operator stack in SQLCalcEngine(also on this site).  However, the implementation is complete enough to stand on its own.There are several functions in the package that correspond to the common stack functions of Push, Pop, Peek, and so on.In […]

You rated this post out of 5. Change rating

2006-12-12 (first published: )

149 reads

Technical Article

SQLCalcEngine - evaluate numeric expression

SQLCalcEngine - evaluate numeric expression similar to the VB eval function.The basic concept is to pass a string containing a numeric expression such as ((2+3)*(4/9)) and receive a numeric value back. The algorithm is based loosely on material found at http://www.arstdesign.com/articles/expression_evaluation.html, as well as material found in the book "Writing Compilers and Interpreters" by Ronald […]

You rated this post out of 5. Change rating

2005-03-31 (first published: )

322 reads

Technical Article

XML Encode UDF

I routinely need to retrieve and package query result sets in an XML package.  The built in functions supported by SQL Server 2000 are effective, but are often more of a pain than a help.  This routine can be used in a simple select statement to XML encode the contents of a column during the […]

You rated this post out of 5. Change rating

2003-10-14

244 reads

Blogs

Using SQL Compare with Redgate Data Modeler

By

Redgate recently released SQL Compare v16, which included a new feature to work with...

Who’s the Winningest Coach (with AI Help)

By

I was listening to the radio the other day and the hosts were discussing...

Learning from Mistakes: T-SQL Tuesday #194

By

We’re a week late, once again my fault. I was still coming out of...

Read the latest Blogs

Forums

What is Page Density

By Steve Jones - SSC Editor

Comments posted to this topic are about the item What is Page Density

T-SQL in SQL Server 2025: Fuzzy String Search II

By Steve Jones - SSC Editor

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

Azure-SSIS, Self-Hosted Integration Runtime, & Data Gateway?

By jasona.work

Looking to confirm my understanding of these three products and how they can be...

Visit the forum

Question of the Day

What is Page Density

In SQL Server, there is a concept of page density. This is determined by how much data is stored on each page. What is a page density of 90%?

See possible answers