Today is May the fourth and I’ll start by saying: Happy Star Wars day to all. Since it is May the fourth I figured a Star Wars themed post would be nice.
Tag: Performance
Free SQL tuning tool: How’s My Database?
It’s taken longer than I thought it may and I’ve run into several problems along the way but had a few people in the MVP community swing some homeruns to help me complete the BETA of this new SQL Server community query tuning tool.
Are scalar functions really a bad thing?
I’ve read a lot of things lately pointing to scalar functions as if they were the devil. In this blog I’m going to explore if that’s the case. Let’s have a look.
Back to basics: What is a HEAP table?
Understanding the fundamentals is key for success, with everything you do. These days SQL Server has expanded into much more than just a database; but, products that ingest data for analysis still need to get the data from a source, such as an OLTP SQL database.Read More »
SQL Tuning: Finding statements for missing indexes
Missing indexes are an important part of the indexing strategy. I usually start with sys.dm_db_index_usage_stats to find both inefficient and unused indexes and then supplement with missing indexes.
The missing index DMVs are great but they’ve always been missing something.
Query tuning: Apply yourself
It’s Friday and I’m ready for the weekend as I’m sure everyone else is. This weekend I’m looking forward to getting yard work done and browsing through the whoisactive SQL Ops Studio extension code.
SQL Server: The danger of large data types
Databases are platforms that are designed to securely store and retrieve your data. Perhaps that’s why they’re called a data “base”? So if your data is in a base, you’d want to lay it out in some logic way.
SQL Server: SARGability part 2
In case you missed the first post on this topic, you can read it here: SQL Server: SARGability. This post continues the series and today we’re going to discuss the dangers of functions.
DBA 101: Tuning lookups
Sometimes it helps to go back to the basics and indexing is always a great topic. SQL Server has a wide variety of indexes; but, today we’re going classic and talking about Non-clustered indexes.
Query tuning 101: What’s a probe residual?
Query tuning is an important process that will probably never go away and sharpening your tuning skills is always a good idea.
I’ve spoken on this topic many times and talked about probe residuals before. Mostly at SQL Saturday events and for some online webinars.
