How Can the SQL Server Resource Governor Help You?

MANAGING ‘NOISY NEIGHBORS’ IN SQL SERVER If you've been managing databases for any length of time, you've probably had to contend with the "noisy neighbors" scenario. In this scenario, you have several applications, each with their own database residing on a single instance of SQL Server, which don't share the resources of the server nicely. To deal with this issue, you might want to investigate Resource Governor as an alternative. READ MORE... Originally Posted in DBTA Magazine in June 09, 2015 … [Read more...]

Learn More About the SQL Server Cardinality Estimator

COOL FEATURES OF SQL SERVER 2014: IMPROVED CARDINALITY ESTIMATES With all the cheerleading and the steady drumbeat of new features being released to Azure, it's easy to lose track of the many cool and valuable new features released in the on-premises version of SQL Server. One of the crown jewels of SQL Server, the cardinality estimator (CE), underwent a large redesign for SQL Server 2014 to improve performance. Cardinality estimates are an extremely important part of query processing. In a nutshell, cardinality estimates are what the relational engine predicts for the number of rows affected … [Read more...]

Get All of the Freebies for “End-to-End Troubleshooting Checklist for Microsoft SQL Server”

The Presentation: Slides, TSQL-Scripts, and Video One of my most enduring and popular presentations is called End-to-End Troubleshooting Checklist for Microsoft SQL Server". In this presentation, I take you through my six-step checklist from detection of a performance issue on SQL Server through identification of the root cause to remediation and finally post-mortem steps to ensure the problem is prevented (or at least detected immediately) in the future. Over the years, I've had many inquiries about the slides, T-SQL scripts, and additional troubleshooting information. I'm happy to … [Read more...]

My Best Blog Posts from 2015

ALWAYS LEARNING About mid-way into August of 2015, I learned some important new factors in Search Engine Optimization (SEO) that caused me to make some big changes to the way in which I blogged. Namely - simply reposting a slight variant of a given blog post could hurt your overall SEO rankings for any of the given posts. Now you might be saying to me "Kevin, those aren't new factors. They've been around for a long time, you idgit". And I would say in response "Ok then. But I had other things on my mind". (Of course, if you have other recommendations for improving one's blog performance, … [Read more...]

SQL Sentry Grows in the UK and Beyond

The following is an excerpt from Kevin's full blog post at the SQL Sentry team blog. Read the full post HERE. ... It's with great pleasure that I announce we are hiring TWO new sales engineers to start on Monday, August 10th: John Martin (@sqlservermonkey) and Richard Douglas (@sqlrich). (See Richard's post HERE). John and Richard come to us with impeccable credentials, outstanding technology skills, a long history of community activism and unimpeachable ethics. These gentlemen are among the best of the best. Their list of achievements and accolades are long (click on their … [Read more...]

Professional Development – A Recipe for Success

Originally appearing at ForITPros.com. Joe Webb's father-in-law spent most of his adult life as a cardiologist. That's a highly specialized and highly technical area in the field of medicine that deals with the heart. Not every physician can claim to be a cardiologist. It requires rigorous training under the close supervision of an existing cardiologist. That period of training and supervision is called a fellowship. Likewise, many building trades such as electricians, plumbers, and machinists undergo a period of training from someone with more experience. The Apprentice becomes a … [Read more...]

DBTA – StretchDB, a Cool New Feature in vNext SQL Server

Originally appearing in my monthly column at Database Trends & Applications magazine. When it comes to cloud-based database management, there are really only two players: Amazon, the value leader, and Microsoft, the innovation leader. Amazon has carved out a niche as the value leader in cloud-based database management, supporting not only its own implementations of various database platforms such as MySQL and Hadoop, but also supporting premier commercial DBMSs such as Microsoft SQL Server and Oracle. Meanwhile, Microsoft has, in my mind, carved out a very strong niche as the innovation … [Read more...]

ICYMI – Predicate Logic, Four Things I Wish I’d Known Sooner, Transact-SQL Bad Habits, Rewriting Queries to Improve Performance

A digest of great articles originally appearing at SQLPerformance.com. Why Not Seek Predicate Paul White ( b | t ) proves, once again, why he is the best in the business when it comes to debugging a SQL Server query. In this post, Paul gives you a step-by-step breakdown of a query that goes astray due to implied predicate logic. Got a tough query of your own? Post it atanswers.sqlperformance.com! Four Things I Wish I Knew Sooner as a SQL Server DBA Lori Edwards ( b | t ) tells four things she wished she knew before she started her many year career as a SQL Server database … [Read more...]

Professional Development – What a Difference 60 Years Makes

Originally appearing at ForITPros.com. In 1957, the Soviet-made Sputnik streaked across the sky in low earth orbit. It was clearly visible to millions of concerned Americans. The Soviet government had leapfrogged America technologically. The dot that traversed the nighttime sky marked a change in international politics and fueled the engine that became America's space program. Another far more subtle shift was happening in America's businesses as well. In the 1950's and 1960's, American employees gave their loyalty to their employer in exchange for a commitment for a career-long job … [Read more...]

DBTA – IT Employers Must Adapt to the Looming DBA Shortage

Originally appearing in my monthly column at Database Trends & Applications magazine. In the first of this three-part series, I described some of the findings contained in an intriguing new survey published by Unisphere Research, a division of Information Today, Inc. In that article, I covered the macroeconomic and general trends that pointed to a looming shortage of DBA talent. In part 2 of the series, I described some of the issues and opportunities these trends offer to current and up-and-coming DBAs. Today, let’s talk about what this trend means from perspective of IT … [Read more...]