Learning Tree International Blog

The new Cybersecurity Maturity Model Certification (CMMC) regulation has the industry ramping up federal contractor security from the prime contractors down through the supply chain.  The biggest issue with the new regulatory requirement is usually where to begin.  This usually begins with which maturity level (ML) does the organization need.  Once that is determined, the […]

Back in 2018, Arnold Villeneuve shared a post about using PortableApps to access presentation tools. PortableApps is a versatile tool and I used it for more than presentations. There are multiple times when I don’t have my laptop handy, and even if I did, it may not have all the applications my desktop does. When […]

Early in 2019, when SQL Server 2019 was a community preview and the release was many many months away, we were delighted to see the performance benefits of batch mode processing for some row data queries (that is, no columnstore index). Now that SQL Server 2019 is being installed in production facilities, and batch mode […]

It’s a commonly held misconception, even among some knowledgeable SQL folks, that the SQL Server query optimizer evaluates different ways of executing a query and goes with the query plan that yields the lowest estimated cost. As is often the case with misconceptions, this one is not so much wrong as a bit oversimplified. The […]

Amazon Alexa, Google Assistant and other digital voice assistants are rapidly moving from the home to the workplace. Along with the many potential benefits, there are concerns to consider. The idea of asking a voice assistant to set reminders, answer questions, and remember ideas is compelling. I can see using them in meetings and training […]