Learning Spark SQL String Functions with Explanations and Code Examples
Learn how to use different Spark SQL string functions to manipulate string data with explanations and code examples.
One more reason to use foreign key constraints
Since the title might be considered a bit vague, I don’t want you to wade through the article to figure it out. I will spare you the typical clickbait introduction, with me telling you what a foreign key constraint is, and why it and all the other constraint types provided by relational engines are useful. […]
Good Luck is Needed with Old Versions
Today, Grant talks about reasons that companies don't upgrade.
SQL Logic
In this article, I will discuss the history and thinking behind several types of logic that are typically associated with writing relational database code.
Stairway to Advanced T-SQL Level 5: Turning Data On Its Side Using PIVOT Operator
The PIVOT operator was added to the Transact-SQL language in SQL Server 2005. It allows you to turn your row data on its side, so it can be presented as column data. This is useful when you want take unique column values and have them displayed as column headings, where the column headings are associated with summarized values displayed below each column heading. In this article I will be exploring how to use the PIVOT operator.
Toilets and Your Systems
Today, Grant Fritchey compares a disaster caused by a toilet to technical debt in IT.
Does Your GROUP BY Order Matter?
Sometimes when you do GROUP BY, the order of the columns does matter. For example, these two SELECT queries produce different results:
Seagull Management
Management is important to ensuring the success of a team. Steve talks about an anti-pattern that is often used by poor managers.
Unlocking Power with Updatable Views in SQL Server
An updatable view in SQL Server is a view that allows modifications such as INSERT, UPDATE, or DELETE operations on the underlying tables through the view.
Kubernetes For Complete Beginners
Container orchestration has become a cornerstone of modern application deployment. For beginners stepping into the world of modern application deployment and orchestration, understanding the essence and significance of Kubernetes is essential.
Blogs
Finding Balance: Things Will Come Up
By Steve Jones
I have a presentation on finding balance in your career that got quite a...
Who Are You Doing It For?
By Brian Kelley
But as I've matured over the years, I came to realize that I needed...
Presenting Twice in May 2026
By alevyinroc
I will be presenting my latest session, Documenting Your Work for Worry-Free Vacations, in-person...
Forums
what data type i should use for roversion col and can i use less than greater
can i use Rowversioncol ( in my database it's synonyme timestamp is used) to...
Radius Latitude Longitude
I have a table with latitude longitude in the format. 45.123456 , -111.123456 ,...
degree of parallelism
Team, I'm trying to figure out what will be the best recommendation to configure...
Question of the Day
A Fun Computer Quote
Which movie featured this quote?
"All programs have a desire to be useful."Happy April Fools! See possible answers