2021-05-26 (first published: 2021-04-30)
8,850 reads
Articles
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
3,999 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)
13,894 reads
Creating Idempotent DDL Scripts for Database Migrations
How to write idempotent DDL scripts that Flyway can run several times on a database, such as after a hotfix has already been applied directly to the production database, without causing errors.
2021-05-21
SQL Server plan cache mining – Plan attributes
Edward Pollack demonstrates how SQL Server plan cache mining can uncover a wealth of information to help with troubleshooting performance issues.
2021-05-21
Blogs
Flyway Tips: AI Helps with Commit Messages
By Steve Jones
At Redgate, we’re experimenting with how AI can help developers and DBAs become better...
Startup scripts in SQL Server containers
I was messing around performing investigative work on a pod running SQL Server 2025...
Using SQL Compare with Redgate Data Modeler
By Steve Jones
Redgate recently released SQL Compare v16, which included a new feature to work with...
Forums
What is Page Density
Comments posted to this topic are about the item What is Page Density
T-SQL in SQL Server 2025: Fuzzy String Search II
Comments posted to this topic are about the item T-SQL in SQL Server 2025:...
Azure-SSIS, Self-Hosted Integration Runtime, & Data Gateway?
Looking to confirm my understanding of these three products and how they can be...
Question of the Day
What is Page Density
In SQL Server, there is a concept of page density. This is determined by how much data is stored on each page. What is a page density of 90%?
See possible answers