Designing a rock solid application and database can be difficult. New features and overlapping features mean that you’re able to accomplish a single task in many ways. For instance the numeric and decimal data types. Which should you use?Read More »
If you’ve read my blog, I’m sure by now you know that I have no love for GUI tools. I will say they are improving every day and maybe, just maybe, we will see the day when you can click happily away and do everything you want. Sadly, this is not the day.
A while back, SSMS added the “Missing Index” data to the graphical query plan. They even made it really easy to add.
People always ask me what tools I use. Mostly this question comes from the topic of monitoring. I can honestly say that I don’t love any tools and you shouldn’t either.
My time at Microsoft placed me at nearly 300 different clients. As a Microsoft employee I never liked saying, “Go grab this tool so we can look at your problem because SSMS isn’t good enough.”
Foreign keys are an interesting feature of relational databases. They help enforce data integrity, sometimes help improve performance by eliminating joins, and sometimes slow down DML operations (inserts, updates, and deletes).
I was recently asked to help tune a stored procedure that has been historically taking between 55 and 60 seconds to complete. Overall the code wasn’t too complex but getting to the root cause did surprise me a bit.
If you’re a DBA or a developer chances are you’ve looked at a query plan or two. While looking at your plan you may have noticed that each operator has a cost. Did you know that the cost is measurable?
If you’re a DBA or database developer, chances are you will have to write or rewrite queries from time to time. Rewriting may be for new features or simply to improve the performance of existing code.
Let me start by saying that this isn’t your typical post about the Halloween problem. This is intended to describe a couple different performance problems you should be keenly aware of.
Long ago there were locking / blocking problems with the SELECT INTO statement. That’s not the case anymore and for AdHoc operations and investigation of data SELECT INTO is very helpful.