The Problem Recently, while working with one of my clients, I came across a script in which I had to introduce a scalar User-Defined Function in the SELECT statement. The SELECT used to return around 750K records. However, after introducing the UDF, the row count significantly increased to 826K. There were no other changes made […]
2019-10-14
5,116 reads
Machine learning is a skill that many data professionals are learning as they plan their careers over the next five to ten years. In this article, Supriya Pande gives an overview of machine learning and walks through a practical example.
2019-10-14
You’ve probably heard of Compliant Database DevOps, but to take it from buzzword to boardroom relies on demonstrating value across your business. IT leaders must think more broadly than cost savings and ROI calculations when investing in scaling DevOps across database teams.
Our latest whitepaper explains how to lay the foundations for a successful DevOps implementation, and how to track success against global metrics that demonstrate your team’s impact across the business.
2019-10-14
Principal components analysis is a standard, but usually terrible, technique for visualising complex data. We're using network diagrams to solve this problem.
2019-10-11 (first published: 2017-09-19)
2,577 reads
In this tip we look at a PowerShell script you can use to gather information about the installation date for all of your SQL Servers.
2019-10-11
Referential constraints ensure data integrity, but in at least one case can cause occasional problems. Read on to see what can happen and why it can occur...
2019-10-11
Developers and testers can be blocked from having a local, private database to work in because of disk space, refresh times, and data privacy. Download this free solution brief to learn how SQL Provision removes these blockers and enables production-like data to be delivered at speed.
2019-10-11
Learn how the INCLUDE phrase of an index can change the performance of a query.
2019-10-10
28,132 reads
This article demonstrates how to use a 'state' approach to database source control, when the nature of the database changes cause you to hit difficulties with migrating existing data. These difficulties happen when the differences are such that it is impossible for any automated script to make the changes whilst preserving existing data.
2019-10-10
In this Simple Talk editorial Kendra Little discusses how SSMS is as relevant as ever.
2019-10-10
By DataOnWheels
Thanks to everyone who joined the blog party this month. I noticed three themes...
By Vinay Thakur
This week has training on AI – Cyber security experts – Omar Santos and...
Following on from my previous post on building The Burrito Bot, I want to...
Comments posted to this topic are about the item What's new in R 4.6
Comments posted to this topic are about the item Interesting Changes in R, which...
Comments posted to this topic are about the item PostgreSQL String Functions Part 1
When thinking about the identity property and sequence objects, which of these can generate values before an insert statement is executed?
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