Improved RCSI Ghost Cleanup in SQL Server 2022
An example of poor update performance under RCSI as compared with locking read committed. Details of an improvement in SQL Server 2022 that can help avoid the worst effects.
DAX For SQL Folks: Part I- Intro to DAX, Power BI and Data Viz
In this first article, get an introduction to DAX, it's uses, and the basics of a DAX query as compared to a T-SQL query.
Stairway to SSAS Tabular Level 6: Creating Meaningful Measures
In this sixth level of the SSAS Tabular stairway, learn how to create meaningful measures.
The Data Center that Exploded
A while back, in a Simple-Talk editorial meeting, someone bet Phil Factor that he couldn't come up with a Halloween story. To our surprise he said he could, as long as he didn't have to keep to the strict literal truth. In the end, he came up with a story about a story, and it is true that he first told the story in a data Centre at Halloween!
How Much AI Do We Need?
AI seems to be invading many different parts of our life. Today Steve wonders how much we really need.
GUID in SQL Server
This tip's objective is to present and describe several T-SQL examples for creating, using, and analyzing GUIDs and assessing their uniqueness.
Subscribing to a Great New Year
It is December 27, and the most significant day of the year for reviewing your life is quickly approaching. New Year’s Day is probably the most positive day of the year when people, in all manner of situations, think back to the previous rotation around the earth and decide what they will do better this […]
How to Repair Corrupt MySQL Tables
In the modern world, the companies are not solely dependent on a specific database server platform. There are many database platforms available that are adequate to handle moderate workload and client requirements of high availability and disaster recovery. MySQL is one of those database platforms which provides a lot of features and high performance. Just […]
Blogs
JSON_OBJECTAGG is an Aggregate: #SQLNewBlogger
By Steve Jones
I wrote an article recently on the JSON_OBJECTAGG function, but neglected to include an...
Cultural Change: Fostering a Cost-Aware Culture in Your Organisation
By HeyMo0sh
After working deep in cloud operations, I’ve learned that FinOps isn’t really about dashboards...
Beyond VARBINARY: How to Store PDFs in SQL Server Using FILESTREAM and FileTable
By gbargsley
Hello, dear blog reader. Today’s post is coming to you straight from the home...
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Designing Database Changes Before Deployment: Level 1 of the Stairway to Reliable Database Deployments
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Question of the Day
Creating a JSON Document I
I want to create a JSON document that contains data from this table:
TeamID TeamName City YearEstablished 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933If I run this code, what is returned?
SELECT json_objectagg('Team' : TeamName)
FROM dbo.NFLTeams;
See possible answers