Machine learning K-Means applied to SQL Server data
This article shows how to use Python to access data in SQL Server and produce a K-Means analysis with a chart.
2024-01-08
3,193 reads
This article shows how to use Python to access data in SQL Server and produce a K-Means analysis with a chart.
2024-01-08
3,193 reads
Imagine this: you have several directories full of SQL script files, and you need to know where a certain table is used. You’d rather like the context too, so you can check the whole SQL Expression and work out why it is running so slowly.
2024-01-08
Introduction This article celebrates a classic algorithm [1] of Dijkstra (1930 – 2002) which finds a path of minimal cost between any pair of nodes in an undirected graph. His procedure is widely recognized as a fundamental tool for examining communication and transportation networks (eg. Google Maps) and is surprisingly simple. By his own admission, […]
2024-01-05
8,630 reads
Lemme start this off by saying this is probably irrelevant to you. (It’s irrelevant to me, too.)
2024-01-05
Learn how to pivot and analyze data in Power BI like you can do in Excel for fast and easy data analysis.
2024-01-05
The key finding from our annual ‘State Of’ survey is that there’s a need for skill diversification to keep up with the pace of technological advances in IT world.
How will this skills gap affect you?
Whether you’re just starting out in your career, you’re a seasoned data professional or you’re a senior IT leader wanting to stay ahead of business growth, join our free livestream on January 23rd.
Redgaters Steve Jones, Ryan Booz and Beca Parker will introduce key findings from the survey and offer their thoughts on the big changes coming in 2024 and what you can do to thrive in this changing landscape.
Register now
2024-01-03
I have published videos and articles before about Lakehouse maintenance. In this article I want to address a missing point for a lot of Fabric administrators: How to do maintenance on multiple lakehouses that are located in different workspaces.
2024-01-03
This article shows how we were able to migrate a TB size database to new storage with minimal downtime.
2024-01-01 (first published: 2021-02-24)
8,028 reads
In this tip, we're going to look at the steps to backup SQL Server on Linux databases using SQL Server Agent on a Windows server.
2024-01-01
Organizations working with on-premises SQL Server Analysis Services may not be able to guarantee optimized deployment of their models and secure and compliant data, especially during peak usage. The more companies invest in hardware and software licenses, the less the deployment of on-premises SSAS solutions becomes attractive, especially for smaller organizations with limited or narrow budgets.
2024-01-01
Good documentation gets you started. Good books get you deep. After years of working...
By Vinay Thakur
In previous posts, we looked at the SQL Server engine. for us DBAs, the...
By Arun Sirpal
You have used Claude. But which Claude? The Claude app (claude.ai, the desktop and...
We have a SQL Server installed. We have a 500GB drive for the database....
Comments posted to this topic are about the item Creating a JSON Document IV
By VishnuGupthanSQLPowershellDBA
Comments posted to this topic are about the item Restoring Azure Key Vault Keys...
I have this data in a table called dbo.NFLTeams
TeamID TeamName City YearEstablished ------ -------- ---- --------------- 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960 5 49ers San Francisco 1946 6 Broncos Denver 1960 7 Seahawks Seattle 1976 8 Patriots New England 1960If I run this code, how many rows are returned?
SELECT YearEstablished, json_objectagg(city : TeamName) FROM dbo.NFLTeams GROUP BY YearEstablished;See possible answers