• Unable to create CTools CSS cache directory. Check the permissions on your files directory.
  • Unable to create CTools CSS cache directory. Check the permissions on your files directory.

JIM Yang


Jim Yang is a program manager at MSN who works on data mining and data analysis. He has a PhD in statistics from the University of Texas at Dallas. He has written several articles for statistical journals.

Cluster Analysis Experiment
Learn where to find more information about the model-training performance of the clustering algorithm.
Model Performance
Find out how the Microsoft data-mining algorithms stack up against some tough training test conditions.
Put Data Mining to Work
The data-mining features in SQL Server 2000 Analysis Services can help your organization find the patterns and rules to improve its marketing, sales, and customer-support operations and gain a better understanding of its customers.
Data-Mining Terminology
Learn some common data-mining terminology.

Digital Magazine Archives

Browse back issues of SQL Server Pro, from January 2007 through the last issue published in April 2014. Find the back issues here.


From the Blogs
Sep 29, 2015

Data Breaches and Insider Threats

I’ll sound a bit like Captain Obvious for bringing this up, but it’s important to remember that security encompasses a lot more than protecting sensitive data from the specter of outsider threats like hackers. Properly implemented security policies also account for threat-models that include insiders – or people within your organization....More
Sep 15, 2015

Setting Up Additional Checks to Ensure Regular Transaction Log Backups 1

There’s simply no way to overstate the importance of regular Transaction Log Backups. Not only do they help protect from disaster, but regular execution of T-Log backups on Full (and Bulk-Logged) Recovery databases helps keep thing “fit and trim”. Most of the time, setting up a Notification for when T-Log Backup Jobs fail is enough to let you know when something goes wrong....More
Sep 1, 2015

Stop Using INFORMATION_SCHEMA and SysObjects for Exists Checks 3

Code like this isn’t optimal: IF EXISTS(SELECT * FROM sys.objects WHERE name = N'TableToDrop' AND type = 'U')         DROP TABLE TableToDrop; GO Neither is this: IF EXISTS(SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 'TableToDrop')         DROP TABLE TableToDrop; GO Yet, I see both of those used all of the time – over and over again. Even though it’s 2015.  ...More
SQL Server Pro Forums

Get answers to questions, share tips, and engage with the SQL Server community in our Forums.

Sponsored Introduction Continue on to (or wait seconds) ×