Upcoming Free Webinars on Database Development and Operations
Fall is in swing, and it’s officially webinar season! Here’s a bunch of free events I’ve got on my calendar. Weekly Database DevOps Live Chats – a new experiment...
2019-11-19
1 reads
2019-11-16
3 reads
2019-11-16
7 reads
Links and Resources from “How to Architect Successful Database Changes”
Steve Jones and I had a great time today talking about source control for databases and release patterns for performance and availability in Seattle. We had a great group...
2019-11-06
15 reads
2019-11-06
1 reads
2019-11-06
4 reads
Project Management and Advocacy
I’ve observed few similarities between the Project Managers and Advocates. Being Project Manager, law bachelor and little practical experienced as an Advocate, I noticed few similarities. I think it’s...
2019-11-04
3 reads
Project Management and Advocacy
I’ve observed few similarities between the Project Managers and Advocates. Being Project Manager, law bachelor and little practical experienced as an Advocate, I noticed few similarities. I think it’s...
2019-11-04
12 reads
Does it matter ?
A series of articles that will talk about most important but least focused areas in Database Design and Development.
2019-10-31
3 reads
Does it matter ?
A series of articles that will talk about most important but least focused areas in Database Design and Development.
2019-10-31
1 reads
Blogs
Free webinar – Tackling the Gaps and Islands Problem with T-SQL Window Functions
I’m hosting a free webinar at MSSQLTips.com at the 19th of December 2024, 6PM...
Counting Groups with Window Functions: #SQLNewBlogger
By Steve Jones
I looked at row_number() in a previous post. Now I want to build on...
The query processor ran out of internal resources and could not produce a query plan – When You’ve Managed to Confuse SQL With a Crazy IN Clause.
Recently I received a cry for help over Teams. The issue was that an...
Forums
How to determine if a DB is currently being used
Hi - I'm looking for advice regarding the best & quickest way to establish...
Data cleansing/conversion tool HPE
Hello. I am looking for a tool Data cleansing/conversion, was recommended HPE any...
System views in a contained availability group
I have a query that runs in a job to check on orphaned users....
Question of the Day
The LAGging NULL
I have this data in a SQL Server 2022 table:
player yearid team HR Alex Rodriguez 2012 NYY 18 Alex Rodriguez 2013 NYY 7 Alex Rodriguez 2014 NYY NULL Alex Rodriguez 2015 NYY 12 Alex Rodriguez 2016 NYY 9If I run this code, what are the results returned in the hrgrowth column?
SELECT player , yearid , hr , hr - LAG (hr, 1, 0) IGNORE NULLS OVER (ORDER BY yearid) AS hrgrowth FROM dbo.playerstats;See possible answers