Why Your Index Isn't Being Used? - Reading Execution Plans to Find the Real Culprit
Built the index, but SQL Server still scans the whole table? Learn how to read execution plans and find exactly why your index is being ignored.
Improve Query Performance in the Fabric Warehouse with Clustering
Learn how to improve performance issues in Microsoft Fabric Warehouse and leverage cloud-based data analytics effectively.
We Are Eating Our Own Seed Corn
Last week I stood in front of a classroom at Washington State University and looked out at a room full of students who had done everything right. They had studied hard, were earning their degrees, built their portfolios, and showed up with genuine enthusiasm for careers in technology. They wanted to know what the industry […]
Designing SQL Server ETL Pipelines That Don't Break at Scale
A few lessons learned in building ETL pipelines and tricks to ensure you can easily maintain these over time.
Why I Don’t Like Shared Development Databases
Today, Kendra explains why she doesn't like shared development databases.
When, and when not, to use LLMs in your data pipeline
LLMs should be used in data pipelines for unstructured text, semantic search, and natural language queries – but avoided for deterministic, high-volume, or regulated tasks. Drawing on my real-world experience building large-scale ML systems, in this guide I’ll explain exactly where LLMs belong in your data pipeline and, just as importantly, where they don’t.
Restoring Azure Key Vault Keys and Validating SQL Server TDE Recovery: Level 7 of the Stairway to TDE
Learn about restoring your keys from an Azure Key Vault in the event of a DR situation.
Writing Before Reading
We often learn to write code before we really learn to read it, which seems like a problem to Steve.
There Are Days When I Feel Like Giving Up on the Plan Cache and Query Store.
In theory, SQL Server performance monitoring is pretty simple: 1. Review the server’s top wait types, 2. Find the queries causing those wait types, 3. Fix those queries, or improve the way the server reacts to them (indexes, settings, etc.). But in practice, step 2 is awful because:
Other IDEs
This editorial was originally published on Jun 17, 2020. It is being republished as Steve is out of town. Let us know if you've changed your SQL IDEs since then. Most of us use SSMS (SQL Server Management Studio) to manage our SQL Server instances or to write database code. However, Microsoft does give us […]
Blogs
No Shortcuts for the SQLCMD Batch Terminator: #SQLNewBlogger
By Steve Jones
I was messing around with SQLCMD and I realized something I hadn’t known. I’ve...
Where Is My SQL Agent? Running Scheduled Jobs Against Azure SQL Database
By gbargsley
One of the first things I review when I inherit a new SQL Server...
AgentDBA vs Critical SQL Server
By Arun Sirpal
It’s 07:43. Someone’s already left a message. “Something’s wrong with the DB server.” You...
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Question of the Day
Detecting Characters
I have a SQL Server 2022 English default installation on a server. I want to detect if there are any upper case characters in rows and I have this code:
SELECT CustomerNameID,
CustomerName
FROM dbo.CustomerName
WHERE CustomerName = LOWER(CustomerName)
Here is the sample data I am testing with:
CustomerNameID CustomerName 1 John Smith 2 Sarah Johnson 3 MICHAEL WILLIAMS 4 JENNIFER BROWN 5 david jones 6 emily davis 7 Robert Miller 8 LISA WILSON 9 christopher moore 10 Amanda TaylorHow many rows are returned? See possible answers