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.
2024-04-29
Articles
What happens when we drop a column on a SQL Server table? Where's my space?
You have dropped a column and wondering why you haven't recovered any space? Let's take a look.
2024-04-26
2,333 reads
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.
2024-04-26
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:
2024-04-24
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.
2024-04-22
3,894 reads
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.
2024-04-22
Identifying Customer Buying Pattern in Power BI - Part 1
In this article, we discuss market-based analysis techniques for customer purchasing patterns for different products over the years in Power BI.
2024-04-19
1,675 reads
Pagination and ordering by large values
Pagination is a technique for limiting output. Think of Google search results, shopping the electronics category on Amazon, or browsing tagged questions on Stack Overflow. Nobody could consume all of the results in a single shot, and no site wants to spend the resources required to present them all to us
2024-04-19
Full vs. Incremental Loads – Data Engineering with Fabric
Learn how to perform full and incremental loads in Fabric with a little SparkSQL.
2024-04-17
3,124 reads
Get the most out of SQL Server Agent logs
If you haven’t migrated your workloads to a managed database platform yet, you’re probably still relying on SQL Server Agent for various maintenance and other scheduled tasks. Most of the time, these processes just work. But when it’s time to troubleshoot, it can be cumbersome to get to the root of some problems.
2024-04-17
Blogs
Dynamically Unpivot columns in SQL
By DataOnWheels
Picture this, your data ingestion team has created a table that has the sales...
Friday Basics: RPO and RTO
By Brian Kelley
I did a post last month titled RTO and RPO are myths unless you've...
A New Word: ioia
By Steve Jones
ioia – n.the wish that you could see statistics overlaid on every person you...
Forums
SQL Server Encrypt data into a file, send it and then decrypt
First off, my apologies for what could potentially be a bad title! I am...
Table partitioning best practice
I've inherited a couple of rather large databases from my ex-colleague when I join...
Identifying Customer Buying Pattern in Power BI - Part 2
Comments posted to this topic are about the item Identifying Customer Buying Pattern in...
Question of the Day
Finding Marks
I have marked a few transactions in my code. How can I find out which marks were stored in a transaction log?
See possible answers