Proper Luhn AddCheckDigit for any length #

Most of the luhn scripts assume that you are working with credit-cards and then IMPROPERLY calculate their luhn check-digit by starting at the left side (assuming that the core number is always 15 digits).  However, if you don't know the length of your core number, then such an approach will fail when the length is […]

5 (1)

2006-10-10

210 reads

Blogs

Daily Coping 10 Jul 2020

By

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

Daily Coping 9 Jul 2020

By

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

Refreshing a Power BI Dataset in Azure Data Factory

By

I recently needed to ensure that a Power BI imported dataset would be refreshed...

Read the latest Blogs

Forums

Controlling Intelligent Query Processing Features

By Kathi Kellenberger

Comments posted to this topic are about the item Controlling Intelligent Query Processing Features,...

To use the same function to pass table name as a parameter

By Kenean

I have this function, but I wanted to pass a table so as to...

Create SQL Login to View only one database on server

By yogi123

Hi All, I have one task to create a login, and user need to...

Visit the forum

Ask SSC

SQL Server Q&A from the SQLServerCentral community

Get answers