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
Azure SQL Managed Instance Next-Gen: Bring on the IOPS
By John
If you’ve used Azure SQL Managed Instance General Purpose, you know the drill: to...
SQL, MDX, DAX – the languages of data
By DataOnWheels
Ramblings of a retired data architect Let me start by saying that I have...
Setting PK Names in Redgate Data Modeler
By Steve Jones
A customer was testing Redgate Data Modeler and complained that it auto-generated PK names....
Forums
Connecting Power BI to SSAS and effective user not working
Hi everyone, Below is a consolidated summary of what we validated Architecture & data...
High Availability setup - has anyone seen this method?
Hi all, I recently moved to a new employer who have their HA setup...
Semantic Search in SQL Server 2025
Comments posted to this topic are about the item Semantic Search in SQL Server...
Question of the Day
Encoding URLs
I have this data in a SQL Server 2025 table:
CREATE TABLE Response ( ResponseID INT NOT NULL CONSTRAINT ResponsePK PRIMARY KEY , ResponseVal VARBINARY(5000) ) GOIf I want to get a value from this table that I can add to a URL in a browser, which of these code items produces a result I can use? See possible answers