Constraints and declarative referential integrity
Database systems have powerful features built right in that can ensure the integrity of data. In this article, Joe Celko discusses keys and constraints.
2021-05-28
Articles
Introducing the PASS Data Community SUMMIT
Join the world’s largest gathering of data professionals at this year’s free online PASS Data Community SUMMIT. Connect and network with 1000s of your peers and learn from some of the brightest minds in the data industry. This year’s must-attend online event is completely free, so sign up now to be notified when registration opens.
2021-05-28
2021-05-26 (first published: 2021-04-30)
8,832 reads
Creating Deep and Shallow Delta Clones in Azure Databricks
In this article we will look at how to create deep and shallow clones of source data when using Azure Databricks.
2021-05-26
Save the date: PASS Data Community Summit 2021
Simple Talk editor Kathi Kellenberger announces this year's free global online conference will take place on November 8 - 12. Save the date, and stay tuned for the Call for Speakers coming soon.
2021-05-26
You are cordially invited to attend 2021 Virtual Data.SQL.Saturday.LA event!
We are reaching out to all people that enjoyed SQL Saturday in LA 2017, 2018, 2019, and 2020 events to let you know that the 2021 event is fast approaching. Only 30+ days remain until the June 12 Virtual Data.SQL.Saturday.LA event. Please register soon to reserve your spot by using http://2021sqlsatla.eventbrite.com/ hyperlink, register using a form below or just use a QR code.
2021-05-26 (first published: 2021-05-05)
Dimensionality Reduction Techniques - PCA, Kernel-PCA and LDA Using Python
Summary In this article, we will be looking at some of the useful techniques on how to reduce dimensionality in our datasets. When we talk about dimensionality, we are referring to the number of columns in our dataset assuming that we are working on a tidy and a clean dataset. When we have many columns […]
2021-05-24
3,983 reads
Database DevOps: 10 Trends for 2021
What do you think the top 10 Database DevOps trends in 2021 are? Redgate has condensed 3,200 survey responses from IT professionals worldwide into a handy infographic. Discover insights such as the top challenge in improving software delivery performance and the correlation between DevOps adoption and high-performing teams.
2021-05-24
SQL Server security – Providing a security model using user-defined roles
Greg Larsen continues his series and shows how user-defined roles roles can control SQL Server security.
2021-05-24
SQL Server 2016 - Always Encrypted
Always Encrypted is a new security feature which was introduced in SQL Server 2016. Always Encrypted is a technology to ensure the data stored in a database remains encrypted at all times during SQL Server query processing. Always Encrypted allows clients to encrypt sensitive data, such as credit card numbers and national identification numbers, inside the […]
2021-05-21 (first published: 2019-09-05)
13,853 reads
Blogs
Down the Rabbit Hole: Dealing with Ad-Hoc Data Requests
By Rayis Imayev
"But I don’t want to go among mad people," Alice remarked."Oh, you can’t help...
Adding a Local Model to Ollama through the GUI
By Steve Jones
I saw some good reviews of the small gemma3 model in a few places...
Connect resiliently to SQL Server
Why you should connect resiliently to SQL Server Transient failures happen — in the cloud...
Forums
using different credentials when debugging ssis
hi, now and then i want one connection in my ssis pkgs to use...
AlwaysON health check alerts
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Bat and SQL script to generate DB user permissions for all Databases in SQL server
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