ICYMI: Troubleshooting CPU, Logging Myths, Missing Indexes, and Query Tuning Examples

Great Articles at SQLPerformance.com There are so many good articles from SQLPerformance.com this ICYMI article that it’s hard to know which are best to highlight in the limited space. So, I’ll be arbitrary and simply choose a few of my favorite entries as well look back: Troubleshooting SQL Server CPU Performance Issues This outstanding article from Joe Sack (b | t) of SQLSkills steps you through a methodical and insightful series of DMVs and queries that can pinpoint CPU issues on your SQL Server instances. Don’t just blindly create those “missing” indexes! Aaron Bertrand (b | … [Read more...]

SQL Injection – 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 … [Read more...]

Flexibility When Waiting on Locks

Speaking at a recent SQL Saturday, an attendee in one of my sessions wanted to know how they could more flexibly react to locks on their application than to wait for blocks to occur and then kill the SPID at the head of the blocking chain.  They were also interested in some alternatives to using the  SQL Server syntax like the WITH (NOLOCK) hint, since that might have unintended consequences due to allowing reads on uncommitted data. One alternative I suggested is the SET LOCK_TIMEOUT n statement.  Since most of the attendees hadn't heard of this statement, I figured it'd make a good blog … [Read more...]

For Devs – Component Code Challenge and INETA Community Champs

Two quick notes from our friends over at INETA: Component Code Challenge Ever had these two distinct thoughts - "I have a good idea for an application, however what can I get for it?" and "I would love to go to a big conference DevConnections or Tech·Ed, but how would I pay for it?".  Haven't we all had thoughts like that at some time or another? Well, you are in luck.  The INETA Component Code Challenge for 2012 will send one lucky winner to their choice of those aforementioned conferences for slinging some serious code. All you need to do is create an application using 2 approved … [Read more...]