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 […]

2006-12-12 (first published: )

132 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 […]

2005-03-31 (first published: )

310 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 […]

2003-10-14

219 reads

Blogs

Hiding Email with a Dynamic Data Masking Function–#SQLNewBlogger

By

Another post for me that is simple and hopefully serves as an example for...

Get SQL Server 2022 Now: It’s Called Azure

By

If you’re like me, your palms went into a cold sweat to get your...

Daily Coping 29 Nov 2021

By

I started to add a daily coping tip to the SQLServerCentral newsletter and to...

Read the latest Blogs

Forums

Help with SQL Query

By Hogie503

Hello SQL experts, Please see attached file for table detail. I have a temp...

Retry SQLAgent Job

By MrBen

Hello. Does anyone know how I can retry a job should any one of...

Get Summary Data for Last 52 weeks by Week

By skb 44459

I have a table which stores shipment data by date. We have a need...

Visit the forum

Ask SSC Logo Ask SSC

SQL Server Q&A from the SQLServerCentral community

Get answers