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...]
The Top 10 Mistakes Made by SQL Server DBAs
THE TOP 10 MISTAKES MADE BY SQL SERVER DBAS The SQL Server world has its own set of challenges when it comes to database administration. One of the biggest challenges is that there are never enough skilled DBAs. Consequently, many people who are not true DBAs are pressed into service, perhaps a Windows SysAdmin or the lead developer on an application using a SQL Server back end, so-called "accidental DBAs." That means that people doing DBA work on SQL Server frequently do not know the fundamental technical details or the processes and practices commonly used by experienced enterprise DBAs. … [Read more...]
DBTA – Russian Hackers Steal 1.2b Internet Credentials: Or, Why the Heck Does this Keep Happening?!
I'm decidedly old-school in a few of my habits. My morning routine, barring anything out of the ordinary, is one such example. Typically, I'll get up between 6:30 to 7:00 am, grab my first cup of coffee, and then chat with my daughters for a few minutes before seeing them off to school. Next, I make a bowl of oatmeal (a great choice for diabetics like me), pour a second cup of coffee, and browse the local paper, The Tennessean, while I have breakfast. On the morning of August 5, I had the added pleasure of spewing said coffee and oatmeal all over my morning paper when I read the headlines: … [Read more...]