Which Columns Are Looked Up?
A common issue in performance is the lookup, key or RID, but the question frequently asked is, which columns are looked up? You need to know in order to...
2022-02-07 (first published: 2022-01-24)
436 reads
The Scary DBA
Two Clustered Indexes?
Everyone knows that you only get a single clustered index, right? Wouldn’t it be great though if you could have two clustered indexes? Well, you can. Sort of. Let’s...
2022-01-31 (first published: 2022-01-18)
447 reads
Why Is “WHERE 1=0” Slow?
I saw a question the other day, questioning why they’re creation of temporary tables was so slow. What they were doing was (a much more complicated version of) this:...
2022-01-24 (first published: 2022-01-10)
899 reads
Identifying Recompile Causes
Strictly speaking, a recompile isn’t really a performance tuning problem. In fact, a lot of time, recompiles are desired because they reflect changes in statistics which are likely to...
2022-01-12 (first published: 2022-01-03)
281 reads
Get SQL Server 2022 Now: It’s Called Azure
If you’re like me, your palms went into a cold sweat to get your grubby fingers on the bits for SQL Server 2022 a few nanoseconds after you heard...
2021-11-29
65 reads
PASS Data Community Summit 2021: I’m Excited!
I sincerely hope this isn’t the first time you’re hearing about the Pass Data Community Summit that’s coming up in just a few weeks on November 8-12, 2021. But,...
2021-10-15 (first published: 2021-10-04)
242 reads
PASS Data Community Summit 2021: I’m Excited!
I sincerely hope this isn’t the first time you’re hearing about the Pass Data Community Summit that’s coming up in just a few weeks on November 8-12, 2021. But,...
2021-10-04
4 reads
Login Timeouts
I was recently approached at work about a company that was seeing tons of timeouts in SQL Server. I was asked how to troubleshoot this. There are lots of...
2021-10-06 (first published: 2021-09-27)
580 reads
Login Timeouts
I was recently approached at work about a company that was seeing tons of timeouts in SQL Server. I was asked how to troubleshoot this. There are lots of...
2021-09-27
6 reads
Containers: A Short Rant
I find myself doing more and more work with containers. Yet, I also find that a lot of people seem to be resistant to the concept. I’m always surprised...
2021-09-29 (first published: 2021-09-20)
482 reads
Blogs
How to Connect to SQL Server When Nothing Else Works – DAC
By gbargsley
It's 2 AM. Your phone is going off. Users can't connect to the application,...
Get a Range of Sequence Values: #SQLNewBlogger
By Steve Jones
I discovered a procedure recently that I wasn’t aware of: sp_sequence_get_range. This post looks...
The Agent Era: When “How do I…?” Replaces “Where do I click?”
By Arun Sirpal
After a year away getting to grips with AI and its application across the...
Forums
Hiring: Financial SQL Systems Administrator
Fisher Phillips is looking for a Financial Systems Administrator to help support and improve our financial...
Job Opening for ERP Systems Administrator - Hybrid
Employee owned company, been around for over 50 years. Hybrid opportunity, looking folks in Pacific...
data compare between 2 tables with same structure for any changes after etl run
i have huge table with lot of data and is also wide. i took...
Question of the Day
Creating a JSON Document II
I want to create a JSON document that contains data from this table:
TeamID TeamNameCity YearEstablished 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960If I run this code, what document(s) is/are returned?
SELECT json_objectagg( n.city : n.TeamName) FROM dbo.NFLTeams;See possible answers