New SSMS Features: Click + Drag and Click + Mouse Scroll
Category:
query-performance
The best features are the ones that you use all the time. SQL Server 2016 Management Studio’s bringing improvements in navigating around execution plans.
Category: query-performance
Can I Force A Hinted Plan with Query Store in SQL Server 2016?
Category:
query-performance
SQL Server 2016’s Query Store feature promises to be better than Plan Guides ever were. The Query Store lets you track query performance, collect execution plans, and force a specific plan if you notice that a query is sometimes fast, and sometimes slow.
NO_PLAN and NO_INDEX: Breaking a Forced Query Store Plan
Category:
query-performance
Whenever you’ve got a new feature, one of the first things to ask is, “What happens when I break it?”
Because we’re going to break stuff.
3 Tricks with STATISTICS IO and STATISTICS TIME in SQL Server
Category:
query-performance
, sql-server
When you need to measure how long a query takes and how many resources it uses, STATISTICS TIME and STATISTICS IO are great tools for interactive testing in SQL Server. I use these settings constantly when tuning indexes and query.
Learn Indexing from Kendra in Huntington Beach on April 1 for $99!
Category:
query-performance
It’s just two weeks until I’ll be teaching index tuning in Huntington Beach, California.
This day long session is $99 – and it’s a great time of year to plan a quick visit to California, no?
Live Query Statistics Do Not Replace Actual Execution Plans
Category:
query-performance
I like SQL Server’s new Live Query Statistics feature a lot for testing and tuning large queries. One of my first questions was whether this could replace using actual execution plans, or if it’s useful to use both during testing.
Finding: Both are useful. And both can impact query performance.
The Case of DATETIME2 and Partition Elimination
Category:
query-performance
Data types are hard.
I’ve been working on some demo code for table partitioning. I have a table partitioned by a column named FakeBirthDateStamp, which is a DATETIME2(0) column. The table is a partitioned heap. At this point in the demo, I hadn’t built any indexes. I wanted to show that partition elimination could occur on a partitioned table, even without a clustered index.