Yes, pulling just the data you need is really important.
I was asked the other day why a customer was having performance issues on a table. A simple SELECT that ... Continue reading
The post Yes, pulling just the data...
2019-04-24
Database Performance
When READPAST Doesn’t Read Past
Oh, Bother Sometimes, you only wanna work on one thing. Other times, you only wanna work on something if it’s…
2019-04-24
Slightly Less Not SARGable
Date Debate Searching dates is a common enough task. There are, of course, good and bad ways to do this.…
2019-04-22
Which Database is Causing the Problem?
You’ve got one SQL Server hosting a bunch of databases, and performance is bad. Which database should you focus on first? Here are a few ways you can pick...
2019-04-17
Index scans aren’t always bad, and index seeks aren’t always great.
Somewhere along the way in your career, you were told that: Index seeks are quick, lightweight operations Table scans are ugly, slow operations And ever since, you’ve kept an...
2019-04-16
Have Your Batch Updates Become Unmanageable?
Look, I’m telling you this as a friend. Seriously, it’s time to let go of your batch updates. It’s not a...
2019-04-16
When Inline UDFs are Slower
Brent Ozar has been digging deep into new functionality in SQL Server 2019: In the Froid white paper, Microsoft talked about how they were working on fixing the function...
2019-04-15
Intelligent Query Processing FAQ
Joe Sack answers a number of questions about intelligent query processing in SQL Server: You have batch mode adaptive joins, but no row mode adaptive joins. Why?Adaptive joins are...
2019-04-15
Does ARITHABORT Setting Negatively Impact SQL Server Performance? – Interview Question of the Week #220
Question: Does ARITHABORT Setting Negatively Impact SQL Server Performance?
First appeared on Does ARITHABORT Setting Negatively Impact SQL Server Performance? – Interview Question of the Week #220
2019-04-14
Finding Froid’s Limits: Testing Inlined User-Defined Functions
This week, I’ve been writing about how SQL Server 2019’s bringing a few new features to mitigate parameter sniffing, but they’re more complex than they appear at first glance:...
2019-04-11
Blogs
My 2024 in Data: Music
By Steve Jones
This is my last week of the year working (I guess I come back...
A New Word: Suente
By Steve Jones
suente– n. the state of being so familiar with someone that you can be...
Side Projects
Anyone (everyone?) who has ever tried to learn a programming language knows that to...
Forums
Timeout Error while executing a TSQL statement in Sql server Express Edition
I am getting the below error when I execute a SQL command in SQL...
Timeout Error while executing a TSQL statement in Sql server Express Edition
I am getting the below error when I execute a SQL command in SQL...
Sql script replace and rearrange numbers
Hi everyone. I have this table and this information. (left side of the image)...