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
T-SQL Tuesday #196 – Two risky career decisions I made
By DataOnWheels
The T-SQL Tuesday topic this month comes James Serra. What career risks have you...
T-SQL Tuesday #192: What career risks have you taken?
This T-SQL Tuesday is hosted by the one and only James Serra – literally...
T-SQL Tuesday #196: Taking Risks
By Steve Jones
This month we have a new host, James Serra. I’ve been trying to find...
Forums
OPENQUERY Flexibility
Comments posted to this topic are about the item OPENQUERY Flexibility
A Full Shutdown
Comments posted to this topic are about the item A Full Shutdown
Going Native with Fabric Spark Pools: The Fabric Modern Data Platform
Comments posted to this topic are about the item Going Native with Fabric Spark...
Question of the Day
OPENQUERY Flexibility
Which of these are valid OPENQUERY() uses?
See possible answers