Fixing P1 Queries
Steve asks if we should focus on the slowest queries or tackle other issues in our systems. Or if we should even have to make these decisions.
Why SQL Server Database Attach fails and how to repair it
This article covers a few common errors when attaching database files to an instance, with some information on how to resolve the issues.
Big data: what it is, why projects fail, and how to get value from it
Although ‘Big Data’ (and more specifically, the analysis of it) offers several benefits, organizations often fail to derive the correct insights – the data that could help them make better business decisions. So, in this article, I’ll reveal exactly how organizations can take full advantage of these large datasets to make those better business decisions and improve operational effectiveness.
The “Successful Login” Dilemma: Why Your Login Auditing Strategy Might Be Hurting Your Server
From bloated error logs to risky logon triggers, a guide to auditing connections without killing performance.
Time Series Data Mining Example with T-SQL when Adding New Data
Please demonstrate the steps for updating an existing time series dataset used in a prior data mining project with a fresh batch of data. Then, repeat the mining performed for the original dataset with the freshly updated dataset.
CROSS APPLY Fundamentals: Part 1
Learn the basics of the CROSS APPLY operator with a few examples in this short piece.
Make It Routine
One of the goals of software is to use the power of the computer to handle repeatable tasks. Steve notes that this can be hard at first, but the goal is that subsequent efforts become routine.
5 T-SQL features that should already exist (2026 SQL Server wish list)
2026 T-SQL wish list covering native Parquet imports, arrays, OVERLAPS, simpler licensing, and cloud storage
AI Observability Challenges in FinOps as a DBA
I was performing research for requested AI work and noticed that I was viewing the risks from a database perspective. As the saying goes in the tech industry, “Once a DBA always a DBA…” As foreign as some of the views were, much of it feels familiar and I simply begin to look at it […]
Blogs
Programmatic Tool Calling with the Claude SDK
Programmatic Tool Calling with the Claude SDK Every morning somebody on the team runs the...
A New Word: Mauerbauertraurigkeit
By Steve Jones
mauerbauertraurigkeit – n. inexplicable urge to push people away, even close friends whose company...
Methodology for dealing with bad data in production
By Brian Kelley
Pinal Dave wrote up his methodology for what to do when you discover bad...
Forums
Why SQL Server Database Attach fails and how to repair it
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Fixing P1 Queries
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BIT_COUNT() IV
Comments posted to this topic are about the item BIT_COUNT() IV
Question of the Day
BIT_COUNT() IV
In SQL Server 2025, I run this code:
select bit_count('A')
What is returned? See possible answers